noun
- a rod-shaped bone found in the penis of many mammals
Usage: anatomical; scientific
Examples
- The baculum is present in most carnivores and primates but absent in humans.
- Scientists study the baculum to understand mammalian reproductive anatomy.
- The size and shape of the baculum varies greatly among different species.
- Researchers found fossilized bacula in ancient mammal remains.
- The baculum provides structural support during mating in many mammals.