a. Bot. [f. Gr. ἀπότροπος turned away (f. ἀποτρέπειν to turn away) + -OUS.] (See quot.)
1880. Gray, Bot. Text-Bk., 397. Apotropous, Applied to an erect or ascending ovule with its rhaphe next to the placental axis, and a hanging one has its rhaphe averse from it.
