- Antitropal An*tit"ro*pal, Antitropous An*tit"ro*pous, a. [Pref. anti- + Gr. ? turn, ? to turn.] (Bot.) At the extremity most remote from the hilum, as the embryo, or inverted with respect to the seed, as the radicle. --Lindley. [1913 Webster]
The Collaborative International Dictionary of English. 2000.