Micropyle
Pronunciation : Mi"cro*pyle
Part of Speech : n.
Etymology : [Micro- + Gr. micropyle.] (Biol.) (a) An opening in the membranes surrounding the ovum, by which nutrition is assisted and the entrance of the spermatozoa permitted. (b) An opening in the outer coat of a seed, through which the fecundating pollen enters t
Source : Webster's Unabridged Dictionary, 1913