perisperm

About 0.01 uses per million words.

Meaning

1. noun The layer of nutritive tissue, derived from the nucellus, that surrounds the embryo of a seed in some angiosperms.

Similar words

endosperm episperm vitellus mesosperm nucellus pericarp loculament endocarp perine spermoderm

Often followed by

and of in is cells with or are