Have you ever described an earwig as having pinchers only to hear someone call them pincers instead?
You’re not alone.
The two words are often used interchangeably, especially when people are talking about insects, crabs, lobsters, or scorpions.
So which one is actually correct?
The short answer is that “pincers” is the preferred anatomical term, while “pinchers” has become a very common everyday word, especially in the United States.
That means you’ll hear both used regularly, even though they aren’t always referring to exactly the same thing.
The Short Answer
If you’re talking about the body part itself:
- Pincers is the technically correct anatomical term.
- Pinchers is a common everyday variation.
- Both words are widely understood by most people.
- Scientists almost always use pincers or the specific anatomical name for the structure.
In casual conversation, either word will usually communicate the same idea.
What Is a Pincer?
A pincer is a grasping appendage used to hold, capture, defend, or manipulate objects.
Depending on the animal, pincers may be used for:
- Catching prey.
- Defending against predators.
- Holding food.
- Digging.
- Fighting rivals.
- Courtship.
Many different animals have structures commonly called pincers, even though the exact anatomy varies from one species to another.
What Is a Pincher?
The word pincher developed because these appendages are capable of pinching.
Over time, many people began using the word to describe the body part itself.
That’s why you’ll often hear phrases like:
- Pincher bug.
- Big pinchers.
- Those pinchers look sharp.
While “pincers” is generally the preferred technical term, “pinchers” has become so common in everyday speech that most people never realize there’s a difference.
Why Are Earwigs Called Pincher Bugs?
Earwigs are probably the reason this question comes up so often.
Across much of the United States, earwigs are commonly known as pincher bugs because of the forceps at the end of their abdomen.
The nickname has been passed down through generations and remains far more familiar than the insect’s actual name in many areas.
If you’ve ever wondered whether those forceps can actually pinch you, my article Do Earwigs Bite? The Truth About Their Pincers explains what really happens if you handle one.
Not Every Animal With Pincers Has the Same Anatomy
Here’s something many people don’t realize.
The word pincers describes what the appendages do.
It doesn’t necessarily describe what they’re made of.
For example:
- Earwigs have specialized appendages called cerci.
- Crabs and lobsters have claws.
- Scorpions have pedipalps.
All of these structures can be described as pincers because they grasp or pinch, but biologically they’re different body parts.
That’s one reason scientists often use the specific anatomical name instead of the general word “pincers.”
Do Pincers Always Pinch?
Not necessarily.
Many animals use their pincers for much more than defense.
Depending on the species, they may use them to:
- Carry food.
- Dig.
- Hold onto mates.
- Build nests.
- Groom themselves.
- Capture prey.
For some animals, pinching is actually one of their least common uses.
Which Word Should You Use?
If you’re writing a school paper, scientific article, or anything technical, pincers is almost always the better choice.
If you’re simply talking with friends or describing an insect you found in your yard, pinchers is perfectly understandable and extremely common.
That’s why you’ll see both terms used online.
One follows scientific terminology.
The other reflects the way many people naturally speak.
Neither is likely to confuse your audience.
Why Scientists Usually Use More Specific Terms
Interestingly, entomologists often avoid both words when describing certain insects.
Instead, they’ll use the proper anatomical name for the structure.
For example, the appendages on the back of an earwig aren’t technically called pincers.
They’re called cerci.
Likewise:
- Crab “pincers” are actually claws.
- Scorpion “pincers” are enlarged pedipalps.
- Earwig “pincers” are modified cerci.
Using these anatomical names helps scientists describe exactly which body part they’re discussing.
For everyday conversation, though, “pincers” is much simpler and easier for most people to understand.
Why the Confusion Has Lasted So Long
Language changes over time.
Many words that begin as nicknames eventually become part of everyday speech.
That’s exactly what happened with pincher.
People noticed these appendages could pinch.
Naturally, they started calling them pinchers.
The name stuck.
Today, millions of Americans use “pinchers” without ever realizing that “pincers” is generally considered the more technical term.
So… Which One Is Correct?
The answer depends on the situation.
If you’re talking about anatomy or writing formally:
Pincers is the preferred term.
If you’re describing an insect you found in your yard or talking casually with family and friends:
Pinchers is completely understandable and commonly used throughout the United States.
Most people won’t think twice about either word.
Frequently Asked Questions
Is “pinchers” a real word?
Yes. “Pincher” is a real English word and is widely used in everyday conversation. When referring to grasping body parts on animals, however, “pincers” is generally the preferred technical term.
Is it pincer bug or pincher bug?
In everyday American English, pincher bug is by far the more common nickname for an earwig.
Why do scientists say “pincers” instead of “pinchers”?
Scientists prefer precise anatomical terminology. “Pincers” is the accepted general term, and in many cases they’ll go even further by using the exact anatomical name, such as cerci, pedipalps, or claws, depending on the animal.
Are earwig pincers actually called pincers?
In everyday conversation, yes. Technically, the forceps on the end of an earwig are modified cerci, but most homeowners simply refer to them as pincers or pinchers.
Do all animals with pincers pinch?
No. While many can pinch, these appendages are also used for catching prey, carrying food, defending against predators, grooming, digging, and courtship. Their function depends on the species.
About the Author
Daniel Brooks is an urban entomology educator with more than 15 years of experience helping homeowners understand the fascinating world of insects. He specializes in explaining complex entomology topics in plain English so homeowners can confidently identify pests, understand their behavior, and make informed decisions about controlling them.
