octostiate

adjective

oc·​tos·​ti·​ate

(ˈ)äk¦tästēə̇t,

-ēˌāt

1

: having eight ostia

2

: belonging to a group of spiders having eight cardiac ostia

Word History

Etymology

New Latin Octostiatae, from octa- + -ostiatae (from feminine plural of -ostiatus having a specified number of ostia, from ostium + Latin -atus -ate

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