Trill
WordNet
noun
(1) A note that alternates rapidly with another note a semitone above it
(2) The articulation of a consonant (especially the consonant `r') with a rapid flutter of the tongue against the palate or uvula
"He pronounced his R's with a distinct trill"
verb
(3) Sing or play with trills, alternating with the half note above or below
(4) Pronounce with a trill, of the phoneme `r'
"Some speakers trill their r's"
WiktionaryText
Noun
- A rapid alternation between an indicated note and the one above it, usually indicated with the letters tr written above the staff.
- A type of consonantal sound that is produced by vibrations of the tongue against the place of articulation, for example, Spanish rr.