endostome

noun

en·​do·​stome

ˈendəˌstōm

plural -s

1

a

: the opening in the inner integument of an ovule having two integuments

b

: the inner part of the peristome of a moss

2

[New Latin endostoma] : endostoma

Word History

Etymology

International Scientific Vocabulary end- + -stome; probably originally formed in French

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