Source : Webster's Revised Unabridged Dictionary (1913)

Trill \Trill\, v. t. [imp. & p. p. {Trilled}; p. pr. & vb. n.
   {Trilling}.] [It. trillare; probably of imitative origin.]
   To impart the quality of a trill to; to utter as, or with, a
   trill; as, to trill the r; to trill a note.

         The sober-suited songstress trills her lay. --Thomson.

Source : WordNet®

trilled
     adj : uttered with a trill; "she used rolling r's as in Spanish"
           [syn: {rolled}, {rolling}]