to sing or play with a vibratory or quavering effect.

Phonetics . to produce (a sound) with a trill.

(of birds, insects, etc.) to sing or utter in a succession of rapidly alternating sounds.

to resound vibrantly, or with a rapid succession of sounds, as the voice, song, or laughter.

to utter or make a sound or succession of sounds resembling such singing, as a bird, frog, grasshopper, or person laughing.

to execute a shake or trill with the voice or on a musical instrument.

Phonetics . to execute a trill, esp. with the tongue, as while singing, talking, or whistling.

the act or sound of trilling.

Music . a rapid alternation of two adjacent tones; a shake.

a similar sound, or succession of sounds, uttered or made by a bird, an insect, a person laughing, etc.

Phonetics .

a sequence of repetitive, rapid, vibratory movements produced in any free articulator or membrane by a rush of air expelled from the lungs and often causing a corresponding sequence of contacts between the vibrating articulator and another organ or surface.

a speech sound produced by such a trill.

verb

quaver , roll , shake , sound , tremolo , twirl , vibrate , vibrato , warble