Emily Dickinson Lexicon

HET-E-ROT'RO-PAL, or HET-E-ROT'RO-POUS, a. [Gr. ετερος and τρεπω.]

In botany, when the micropyle is at neither end of the seed, the embryo will be neither erect nor inverted, but will be in a more or less oblique direction with respect to the seed, and is then said to be heterotropous, or heterotropal. Lindley.