Search Result for "aril": 
Wordnet 3.0

NOUN (1)

1. fleshy and usually brightly colored cover of some seeds that develops from the ovule stalk and partially or entirely envelopes the seed;


The Collaborative International Dictionary of English v.0.48:

Aril \Ar"il\, Arillus \A*ril"lus\, n. [From LL. arilli dry grapes, perh. fr. L. aridus dry: cf. F,. arille.] (Bot.) A exterior covering, forming a false coat or appendage to a seed, as the loose, transparent bag inclosing the seed of the white water lily. The mace of the nutmeg is also an aril. --Gray. [1913 Webster] Arllated Arillate
WordNet (r) 3.0 (2006):

aril n 1: fleshy and usually brightly colored cover of some seeds that develops from the ovule stalk and partially or entirely envelopes the seed