TRILL, noun A quaver; a shake of the voice in singing, or of the sound of an instrument. [See Shake.] TRILL, verb transitive To utter with a quavering or tremulousness of voice; to shake. The sober-suited songstress trills her lay. TRILL, verb intransitive To flow in a small stream, or in drops rapidly succeeding each other; to trickle. And now and then an ample tear trill'd down Her delicate cheek. 1. To shake or quaver; to play in tremulous vibrations of sound. To judge of trilling notes and tripping feet.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI