0 to sing in a trembling voice, as some birds do -- trillern
The bird was warbling (his song) on a high branch.
1 an act, or the sound, of warbling -- das Trillern
I could hear the distinctive warble of a nightingale.
NEUE WÖRTER
European
May 10, 2021
WORT DES TAGES
Shimmer
warble