athyroid

adjective
\ ˈathəˌrȯid \

Definition of athyroid 

(Entry 1 of 2)

: belonging to or characteristic of the genus Athyris

athyroid

noun
\ " \
plural -s

Definition of athyroid (Entry 2 of 2)

: a brachiopod of the genus Athyris

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History and Etymology for athyroid

Adjective

New Latin Athyris + English -oid

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