Pĕr'-i-trō'pal, a.

a. [Fr. pérítrope, Gr. περίτροπος, from περιτρέπειν, to turn round, from περί, around, and τρέπειν, to turn.]

1. Rotatory; circuitous.
2. (Bot.) Having the axis of the seed perpendicular to the axis of the pericarp to which it is attached.