Word: Decapod Crustacean
Definition:
A "decapod crustacean" is a type of animal that belongs to a group called crustaceans. These animals have ten limbs (that’s what "deca-" means: ten) and are usually found in water. They typically have five pairs of legs, which help them move around. Examples of decapod crustaceans include crabs, lobsters, and shrimp.
Usage Instructions:
- Noun Usage: You can use "decapod crustacean" when talking about these specific types of sea animals. - Context: It is mostly used in scientific discussions or when learning about marine biology.
Example Sentence:
"The fisherman caught several decapod crustaceans, including lobsters and crabs, during his trip to the ocean."
Advanced Usage:
In more advanced discussions, you might talk about decapod crustaceans in the context of their ecological roles, such as their importance in marine food chains or their unique adaptations for survival.
Word Variants:
- Decapod: This term can be used alone to refer to any member of the decapod group. - Crustacean: This is a broader term that includes other animals like shrimp, crabs, and even barnacles, some of which may not have ten limbs.
Different Meanings:
- "Decapod" can refer specifically to the ten-limbed aspect of these animals, while "crustacean" describes the larger group of animals that have hard shells and jointed legs.
Synonyms:
- There aren’t direct synonyms for "decapod crustacean," but you could use "crab" or "lobster" when referring to specific types of decapods.
Idioms and Phrasal Verbs:
There aren’t specific idioms or phrasal verbs related to "decapod crustacean," but you might hear phrases like "catching crabs" which can be used informally to refer to fishing for crabs (which are decapods).
Summary:
In summary, a "decapod crustacean" is an aquatic creature with ten limbs, commonly found in oceans and rivers.