gaster

[ gas-ter ]
/ ˈgæs tər /

noun

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

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. 2019

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Medicine 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.