plural noun
Odon·tol·cae | \ ˌōˌdän‧ˈtälˌsē \

Definition of Odontolcae 

in some classifications

: a superorder of Aves including Hesperornis and related genera of extinct aquatic birds with teeth set in a groove

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History and Etymology for Odontolcae

New Latin, from odont- + -olcae (from Greek holkos, holkē furrow)

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to deposit or conceal in a hiding place

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