Search Result for "achene": 
Wordnet 3.0

NOUN (1)

1. small dry indehiscent fruit with the seed distinct from the fruit wall;


The Collaborative International Dictionary of English v.0.48:

Achene \A*chene"\, Achenium \A*che"ni*um\n. [Gr. 'a priv. + ? to gape.] (Bot.) A small, dry, indehiscent fruit, containing a single seed, as in the buttercup; -- called a naked seed by the earlier botanists. [Written also akene and ach[ae]nium.] [1913 Webster]
WordNet (r) 3.0 (2006):

achene n 1: small dry indehiscent fruit with the seed distinct from the fruit wall