gaster

[ gas-ter ]
/ ˈgæs tər /

noun

(in ants, bees, wasps, and other hymenopterous insects) the part of the abdomen behind the petiole.

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Origin of gaster

First recorded in 1905–10, gaster is from the Greek word gastḗr paunch, belly
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for gaster

Medical definitions for gaster

gaster
[ găstər ]

n.

The stomach.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.