IPA: /ˈbæk.jʊləm/
KK: /ˈbæk.jə.ləm/
A bone located in the penis of certain mammals, providing structural support.
The baculum varies greatly in size and shape among different species of mammals.
Baculum → It originates from Latin 'baculum' (meaning staff or rod). The word refers to a bone that resembles a rod, specifically in certain mammals.
Think of a 'staff' or 'rod' — that's what 'baculum' refers to, a bone that acts like a rod in some animals.