trill

noun

1. A rapid alternation between an indicated note and the one above it as an ornament; in musical notation usually indicated with the letters tr written above the staff.
2. A type of consonantal sound that is produced by vibrations of the tongue against the place of articulation: for example, Spanish ⟨rr⟩, /r/.
3. A tremulous high-pitched vocal sound produced by cats.

verb

1. (intransitive)To create a trill sound; to utter trills or a trill; to play or sing in tremulous vibrations of sound; to have a trembling sound; to quaver.

   “To judge of trilling notes and tripping feet.”

2. (transitive)To impart the quality of a trill to; to utter as, or with, a trill.

   “to trill a note, or the letter r”

   “The sober-suited songstress trills her lay.”

3. (intransitive, obsolete)To trickle.

   “I come now from seeing of a shepheard at Medoc[…]who had no signe at all of genitorie parts: But where they should be, are three little holes, by which his water doth continually tril from him.”

   “And now and then an ample tear trilled down / Her delicate cheek.”

   “Whisper'd sounds / Of waters, trilling from the riven stone.”

4. (intransitive, obsolete)To twirl.

adj

1. (slang)True; respected.

   “All my trill niggas know who be bringin da funk / Lees and shell toes like it's Black History Month”

   “LAMAR: Oh, really? That's a nice change from fools comin' up on us. / FRANKLIN: That's trill, homie. / LAMAR: You damn straight that's trill, partner, but it's a shame I don't believe it. You wanna drop some notes on that shit, I'll give you the odds, homie.”

   “Middle finger to the critics, me and my nigga Skrillex / You know we finna kill it, A$AP we the trillest”