WordGarden.iomouthpart
C2Pronunciation
UK
US
- /ˈmaʊθˌpɑrt/
Meanings
Noun
a feeding structure that forms part of an animal's mouth, especially in insects and other arthropods
Beyond the definition
When biologists talk about a "mouthpart," they mean one of the small structures around an animal's mouth that helps it get or handle food. The word is used a lot for insects and other small animals. For example, a butterfly has a long tube for drinking nectar, while a beetle has strong parts for biting and chewing.
A mouthpart may cut, bite, suck, hold, or taste food, depending on the animal. Looking at these parts can tell you a lot about what the animal eats and how it lives. You'll often see this word in biology, especially when people describe insects and other invertebrates.
"Mouthpart" refers to one of the structures around an animal's mouth that is used to get, hold, process, or sometimes sense food. The term is especially common in biology when talking about insects and other invertebrates, because these animals often have mouth structures that are very different from our own.
Different animals have different mouthparts because they eat in different ways. A grasshopper has chewing parts called mandibles. A butterfly has a long proboscis for sipping nectar. A mosquito has thin piercing parts for reaching liquid food. In each case, the shape of the mouthpart matches the animal's way of feeding.
The word can also be used more broadly for other animals when one specific part near the mouth is being described, but it is most at home in discussions of insects, spiders, crustaceans, and similar creatures. Some mouthparts mainly bite or crush food, while others help grip, filter, scrape, or taste it before eating.
So when you hear "mouthpart," think of a single working piece of an animal's feeding equipment, not the whole mouth. It is a useful word for understanding how animals eat, what they eat, and how their bodies are shaped by the lives they lead.
Examples
- 1
Insect feeding
The beetle uses its strong mouthparts to chew through leaves.
- 2
Mosquito anatomy
A mosquito's mouthparts are shaped for piercing skin and drawing blood.
- 3
Insect identification
Scientists can often identify an insect by the shape of its mouthparts.
See also
Forms and spellings
1 form open this card.
Main spelling
- mouthpartnoun