0 present participle of warble --
1 (of a bird) to sing pleasantly --
She sings like she is strung out on the melody, warbling from a place of desperate emotion.
There are warning lights at pedestrian crossing points to the beach with a warbling siren to warn of the approach of a train.
A special fingering combination causes the instrument to vibrate at two different pitches alternately, creating a warbling sound.
Strutting about in the royal palace is my glory; my warbling is considered a decoration in the courtyard.
Then follow one or a few warbling calls, and finally (usually) two up- and downslurring notes.
Fixed phones of the late 20th century and later detect this ringing current voltage and trigger a warbling tone electronically.
Warbling vireos forage for insects in trees, hopping along branches and sometimes hovering.
The warbling vireo's song is a cheerful warble, similar to that of the painted bunting.