noun
Aves; birds (as a taxonomic class)
Scientific taxonomic term for the class of vertebrates comprising all birds. Used in biology and zoology contexts.
鳥綱は脊椎動物の一綱である。
Aves is a class of vertebrates.
生物学の授業で鳥綱の特徴を学んだ。
We learned the characteristics of the class Aves in biology class.