Perisperm
[perispә:m]
Definition
(noun.) the nutritive tissue outside the sac containing the embryo in some seeds.
Typed by Claire--From WordNet
Definition
(n.) The albumen of a seed, especially that portion which is formed outside of the embryo sac.
Edited by Bradley
Definition
n. (bot.) that which is round a seed the albumen.—adj. Perisper′mic.
Typed by Cyril