The Collaborative International Dictionary
Endostome
Endostome \En"do*stome\, n. [See Endostoma.]
(Bot.) The foramen or passage through the inner integument of an ovule.
(Zo["o]l.) And endostoma.
Wiktionary
endostome
n. 1 (context botany English) The foramen or passage through the inner integument of an ovule. 2 (context zoology English) An endostoma.