antennule

[ an-ten-yool ]

noun

, Zoology.

1. a small antenna, especially one of the foremost pair of a crustacean.

antennule

/ ænˈtɛnjuːl /

noun

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

Other Words From

• an·ten·nu·lar [an-, ten, -y, uh, -ler], an·ten·nu·lar·y [an-, ten, -y, uh, -ler-ee], adjective

Word History and Origins

Origin of antennule¹

First recorded in 1835–45; antenn(a) + -ule

Word History and Origins

Origin of antennule¹

C19: from French, diminutive of antenna

Example Sentences

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

From Project Gutenberg

If straightened out, the left antennule would be about 6.1 mm.

From Project Gutenberg

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

From Project Gutenberg

Measured along the curvature, the same antennule is about 11 mm.

From Project Gutenberg