spinule
nounEtymology Anglicized form of Late Latin spīnula, diminutive of Latin spīna (“a spine”). Compare French spinule.
1
A minute spine or thorn.
- Alongside of the pairs, there is often another smaller spinule, on one side or both, sometimes a second; and rarely, there are scattered spinules upon the surface betweenc. 1852, James Dwight Dana, Crustacaea:
- Derived terms
- branchiospinule, microspinule, spinulescent, spinulous