ˈrāməs noun
( plural ra·mi -āˌmī)
Etymology: New Latin, from Latin, branch of a tree — more at ramify
: a projecting part or elongated process : ramification: as
a. : the posterior more or less vertical part of the lower jaw on each side which articulates with the skull ; also : the entire right or left half of the jaw — used when the jaw has no plainly distinguishable vertical part
b. : one of the branches of the pubis or ischium
c. : either of the two branches of the incus in the mastax of a rotifer
d. : a branch of a nerve
the dorsal and ventral rami of the spinal nerve roots
— compare ramus communicans
e. : a barb of a feather