n.
Pronunciation: p ī - ' ji-d ē - ə m
Function: noun
Inflected Form: plural -gid · ia \ - ' ji-d ē - ə \
Etymology: New Latin, from Greek pygidion, diminutive of pyg ē rump
Date: circa 1849
: a caudal structure or the terminal body region of various invertebrates
– py · gid · i · al \ -d ē - ə l \ adjective