Definition of crumen
plural crumens
\-ə̇nz, -enz\
or crumenas
\-ēnəz, -ānəz\
or crumenae
\-ēˌnē, -āˌnī\
zoology
:pouch: such as
a
:the suborbital gland that secretes a waxy substance and is present in many deer and antelopes
b
:one into which the mouthparts of certain bugs can be retracted
