order Gaviiformes

Từ điển WordNet v3.1 - WordNet Dictionary

noun

large aquatic birds: loons and some extinct forms
• Syn:
Gaviiformes
• Hypernyms:
animal order
• Member Holonyms:
Aves, class Aves
• Member Meronyms:
gaviiform seabird, Gavidae, family Gavidae