Entry 1 sense Webster, 1913

Birdwatch

/(bẽrd"wŏch`)/ · Bird·watch · IPA

01 v. to watch birds, especially in their natural habitats, for enjoyment or as a hobby; to bird{3}.

1.
to watch birds, especially in their natural habitats, for enjoyment or as a hobby; to bird{3}. See: bird{3}