What does "baculum" mean?

A bone found in the penis of some placental mammals.

What is a synonym for "baculum"?

Common synonyms include: bacule, os penis, os penis, penile bone, penis bone.

Pronounced //ˈbæk.jə.ləm//.

//ˈbæk.jə.ləm// noun

noun ·Rare ·Advanced level

Noun

1
A bone found in the penis of some placental mammals.
"Bacula can be straight rods, s-shaped curves, or even bizarre, flared scoops."
2
A small rod-like structure found in spores and pollen.
"The sexine usually consists of two main parts, a partially or wholly covering layer — the tectum (roof) and below that the rods or rod-like elements — the bacules (baculum, columella)."

"Bacula can be straight rods, s-shaped curves, or even bizarre, flared scoops."

Learned borrowing from Latin baculum (“stick, staff, sceptre, cudgel”).

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.