n.
1.a note that alternates rapidly with another note a semitone above it trill v.
1.pronounce with a trill, of the phoneme `r'
2.sing or play with trills, alternating with the half note above or below
Idiom of the Day
keep the wolves at bay
to fight against some kind of trouble
The university students were angry and the administration had to work hard to keep the wolves at bay.