noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   In anatomy, a structure that is unpaired. This is relatively unusual, as most elements of anatomy reflect bilateral symmetry.

Adjective

1. 1
   occurring singly; not one of a pair wordnet

Synonyms

All synonyms

azygousazygousimparimpar

Etymology

Borrowed from Ancient Greek ἄζυγος (ázugos, “unwedded, unpaired”).

Related phrases

azygos vein

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