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orchestiid

adjective
or·​ches·​ti·​id

Definition of orchestiid 

(Entry 1 of 2)

: of or relating to the genus Orchestia or the family Orchestiidae

orchestiid

noun
plural -s

Definition of orchestiid (Entry 2 of 2)

: an orchestiid crustacean

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History and Etymology for orchestiid

Adjective

New Latin Orchestiidae, family of crustaceans, from Orchestia, type genus + -idae

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