Birdsong and Whistle

Birdsong noun - The characteristic sound produced by a bird.

Whistle and birdsong are semantically related. In some cases you can use "Whistle" instead a noun "Birdsong".

Whistle noun - The sound made by something moving rapidly or by steam coming out of a small aperture.

Birdsong and whistle are semantically related. Sometimes you can replace term "Birdsong" with "Whistle", this nouns are similar.

Nearby Words: whistled, whist, whistling, whistler