Definitions for "Baculum"
a penis bone
Sesamoid bone (os penis) in penis of males of certain mammalian groups.
A bone found in the penis of some mammals, such as pinnipeds.
(pl. bacula, adj. baculate) ( Potonié, 1934) A cylindrical, free standing exine element more than 1µm in length and less than this in diameter. Example: Raistrickia saetosa. See also: columella, pilum.
(Latin) a walking stick.