baculum

noun — 2 senses

baculum

noun

/ˈbæk.jə.ləm/

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

1

Biology, Natural sciences, Zoology A bone found in the penis of some placental mammals.

  • Bacula can be straight rods, s-shaped curves, or even bizarre, flared scoops.2018 January 24, Elsa Panciroli, The Guardian:
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).1993, M. R. Saxena, Palynology: A Treatise, page 34:
Derived terms
probaculum
Related terms
argumentum ad baculum, bacular, bacule, baculiform, baculine

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.