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hypostome

American  
[hahy-puh-stohm] / ˈhaɪ pəˌstoʊm /

noun

Zoology.

  1. any of several parts or organs of the mouth, as the labrum of a crustacean.

Other Word Forms

  • hypostomial adjective

Etymology

Origin of hypostome

First recorded in 1860–65; hypo- + -stome

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Positioned alongside the chelicerae, the shaft, called a hypostome, forms a tube for withdrawing blood.

From Scientific American • Jan. 3, 2014

In the latter the single pair of antennae springing up from each side of the camerostome or hypostome or upper lip-lobe are seen.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 "Apollodorus" to "Aral" by Various

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.