What is "anatropous"

Anatropal \A*nat"ro*pal\, Anatropous \A*nat"ro*pous\, a. [Gr. ? up + ? to turn.] (Bot.) Having the ovule inverted at an early period in its development, so that the chalaza is as the apparent apex; -- opposed to orthotropous.
--Gray.

a. (context botany of an ovule English) Having an inverted nucleus, whose apex points to the base

adj. (of a plant ovule) completely inverted; turned back 180 degrees on its stalk [syn: inverted] [ant: amphitropous]