noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A section of membranous tissue on the hind body wall of the abdomen of an insect, normally sac-like but sometimes everted. no-plural

Etymology

From gono- + saccus (“sac”).

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.