Langimage
English

antennule

|an-ten-nule|

C2

🇺🇸

/ænˈtɛn.juːl/

🇬🇧

/ænˈtɛn.jʊl/

small (first) antenna

Etymology
Etymology Information

'antennule' originates from New Latin or Neo-Latin, specifically the word 'antennula,' a diminutive of 'antenna' where the suffix '-ula' meant 'little' or 'small'.

Historical Evolution

'antennule' changed from scientific Latin 'antennula' and entered English usage as 'antennule' (a diminutive form of 'antenna').

Meaning Changes

Initially it was a diminutive form meaning 'little antenna,' and over time it came to denote specifically the 'first' or smaller antenna of crustaceans and similar small antenna-like organs.

Meanings by Part of Speech

Noun 1

a small or diminutive antenna, especially the first pair of antennae (anterior antennae) of crustaceans such as shrimps, lobsters, and copepods.

The copepod uses its antennules to detect chemical cues in the water.

Synonyms

Noun 2

a small, antenna-like sensory appendage on certain arthropods or invertebrates (general, less common usage).

Some marine larvae bear tiny antennules that help them orient in currents.

Synonyms

Last updated: 2025/08/22 13:07