order Colymbiformes
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order Colymbiformes

Noun
1. grebes
(synonym) Podicipitiformes, order Podicipitiformes, Podicipediformes, order Podicipediformes, Colymbiformes
(hypernym) animal order
(member-holonym) Aves, class Aves
(member-meronym) podicipitiform seabird