cho·​a·​no·​flagellate | \ "+\
plural -s

Definition of choanoflagellate

: any of numerous small solitary or colonial aquatic flagellates constituting three families (Phalansteriidae, Codosigidae, and Bicosoecidae) of the order Protomonadina and distinguished from all other flagellates by possession of a contractile protoplasmic collar about the single anterior flagellum — compare choanocyte

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History and Etymology for choanoflagellate

New Latin Choanoflagellata

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to reflect, repel, echo, or resound

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