antennule

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an·ten·nule

 (ăn-tĕn′yo͞ol)
n. Zoology
A small antenna or similar organ, especially one of the first pair of small antennae on the head of a crustacean.

[French, diminutive of antenne, antenna, from Medieval Latin antenna, sail yard; see antenna.]

an·ten′nu·lar adj.

antennule

(ænˈtɛnjuːl)
n
(Zoology) one of a pair of small mobile appendages on the heads of crustaceans in front of the antennae, usually having a sensory function
[C19: from French, diminutive of antenna]

an•ten•nule

(ænˈtɛn yul)

n.
a small antenna, esp. one of the foremost pair of a crustacean.
[1835–45]
an•ten′nu•lar, an•ten′nu•lar′y, adj.
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