soften, usually by steeping in liquid, and cause to disintegrate as a result; "macerate peaches"; "the gizzards macerates the food in the digestive system"
become soft or separate and disintegrate as a result of excessive soaking; "the tissue macerated in the water"
a note that alternates rapidly with another note a semitone above it
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"
pronounce with a trill, of the phoneme `r'; "Some speakers trill their r's"