trophosperm

== English == === Etymology === From tropho- + Ancient Greek σπέρμα (spérma, “seed”). Compare French trophosperme. === Noun === trophosperm (plural trophosperms) (obsolete, botany) The placenta. === References === “trophosperm”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.