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
bottle (something) up or bottle up (something)
to hold one's feelings inside of you
My aunt bottles up her feelings and has much stress because of it.