azygos
1 of 2noun
azy·gos (ˌ)ā-ˈzī-gəs 
: an azygos anatomical part
azygos
2 of 2adjective
azy·gos (ˌ)ā-ˈzī-gəs
variants or less commonly azygous
: not being one of a pair : single
an azygos vein
Word History
Etymology
Noun
New Latin, from Greek, unyoked, from a- + zygon yoke — more at yoke
First Known Use
Noun
1646, in the meaning defined above
Adjective
1681, in the meaning defined above
Medical Definition
azygos 1 of 2
noun
azy·gos ā-ˈzī-gəs
: an azygos anatomical part
azygos
2 of 2adjective
azy·gos
variants also azygous
(ˈ)ā-ˈzī-gəs
: not being one of a pair
the azygos muscle of the uvula
the azygos system of veins