Found 2 items, similar to perisperm.
English → English (WordNet) Definition: perisperm perisperm n : the nutritive tissue outside the sac containing the embryo in some seeds
English → English (gcide) Definition: Perisperm Perisperm \Per"i*sperm\, n. [F. p['e]risperme. See Peri-, and Sperm.] (Bot.) The albumen of a seed, especially that portion which is formed outside of the embryo sac. -- Per`i*sper"mic, a. [1913 Webster]