SHRILL, a. L. grillus.

1. Sharp acute piercing as sound as a shrill voice shrill echoes.
2. Uttering an acute sound as the cock's shrill sounding throat a shrill trumpet.

NOTE. A shrill may be tremulous of trilling but this circumstance is not essential it, although it seems to be of the root of trill.

SHRILL, To utter an acute piercing sound.

Break we out pipes that shrill'd as loud as lark. Spenser.

SHRILL, To cause to make a shrill sound.