plural noun
tro·​phi | \ ˈtrōˌfī\

Definition of trophi

1 : the mouthparts of an arthropod (as an insect) including the labrum, labium, maxillae, mandibles, and hypopharynx with their appendages
2 : the masticating organs of a rotifer including the incus and the two mallei broadly : mastax

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First Known Use of trophi

1813, in the meaning defined at sense 1

History and Etymology for trophi

New Latin, plural of trophus mouth, from Greek trophos feeder, from trephein to nourish

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The first known use of trophi was in 1813

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readily or continually undergoing change

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