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perisperm

noun
peri·​sperm | \ˈperəˌspərm\

Definition of perisperm 

1 : nutritive tissue of a seed derived from the nucellus and deposited external to the embryo sac —distinguished from endosperm

2 : nutritive tissue of a seed that includes both endosperm and perisperm —not used technically

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Other Words from perisperm

perispermal \ ¦⸗⸗¦spərməl \ or perispermic \ -​mik \ adjective

History and Etymology for perisperm

French périsperme, from péri- peri- + -sperme -sperm

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