1. 
[syn: rolled, rolling, trilled]
The Collaborative International Dictionary of English v.0.48:
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.
   [1913 Webster]
         The sober-suited songstress trills her lay. --Thomson.
   [1913 Webster]
WordNet (r) 3.0 (2006):
trilled
    adj 1: uttered with a trill; "she used rolling r's as in
           Spanish" [syn: rolled, rolling, trilled]