WordReference Random House Unabridged Dictionary of American English © 2025
an•trorse
(an trôrs′),USA pronunciation adj. [Bot., Zool.]
an•trorse′ly, adv.
- Botany, Zoologybent or directed forward or upward.
- Neo-Latin antrorsus, equivalent. to antr- (as presumed base of Latin anterior anterior) + -orsus, extracted from Latin intrōrsus introrse
- 1855–60