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.