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1. A note that alternates rapidly with another note a semitone above it
   - shake
    
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"

1. Pronounce with a trill, of the phoneme 'r'
   "Some speakers trill their r's"
    
2. Sing or play with trills, alternating with the half note above or below
   - warble, quaver

Derived forms: trilling, trilled, trills

Type of: articulate, articulation, enounce, enunciate, musical note, note, pronounce, say, sing, sound out, tone

Encyclopedia: Trill