D defs.my
Entry 1 sense Webster, 1913

Antennule

· An·ten·nule · IPA /ænˈtɛnjuːl/
01 n. A small antenna; -- applied to the smaller pair of antennæ or feelers of Crustacea.
  1. 1.
    A small antenna; -- applied to the smaller pair of antennæ or feelers of Crustacea.(Zool.)