Definitions

1. noun

A sound or vocalization made by birds, particularly a robin, that is thought to be a mimicry of a song, but often considered to be a weak or inferior version of the actual song.

“The robins’ outwarbles echoed through the forest, a reminder that they were still learning to sing their songs.”

2. verb

To produce a sound or vocalization that is a weak or inferior version of a song, often used to describe the attempt of a bird to mimic a song.

“The young robin tried to outwarble its parent, but its efforts sounded more like a cat meowing than a beautiful melody.”