Anatropal

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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.
     [1913 Webster]