• synonyms


noun Zoology.
  1. a small antenna, especially one of the foremost pair of a crustacean.
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Origin of antennule

First recorded in 1835–45; antenn(a) + -ule
Related formsan·ten·nu·lar [an-ten-yuh-ler] /ænˈtɛn yə lər/, an·ten·nu·lar·y [an-ten-yuh-ler-ee] /ænˈtɛn yəˌlɛr i/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for antennule

Historical Examples

  • Make a drawing of the surface of part of an eye; also of an antennule; and of an antenna.

    Elementary Zoology, Second Edition

    Vernon L. Kellogg

  • If it is in its natural position, it is not an antennule, but the endopodite of the second or third pair of cephalic appendages.

British Dictionary definitions for antennule


  1. one of a pair of small mobile appendages on the heads of crustaceans in front of the antennae, usually having a sensory function
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Word Origin

C19: from French, diminutive of antenna
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012