Found 2 items, similar to achene.
English → English (WordNet) Definition: achene achene n : small dry indehiscent fruit with the seed distinct from the fruit wall
English → English (gcide) Definition: Achene 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]