baculum

About 0.03 uses per million words.

Meaning

1. noun A bone found in the penis of some placental mammals.
2. noun A small rod-like structure found in spores and pollen.

Similar words

os penis oosik baubellum basipodium cannon bone epipubic bone forearm bone os clitoridis pseudo-penis umbo

Often followed by

is argument of in fallacy and as or et