From The Collaborative International Dictionary of English v.0.48:
Shrill \Shrill\, a. [Compar. Shriller; superl. Shrillest.] [OE. shril, schril; akin to LG. schrell, G. schrill. See Shrill,v. i.] Acute; sharp; piercing; having or emitting a sharp, piercing tone or sound; -- said of a sound, or of that which produces a sound. [1913 Webster]
Hear the shrill whistle which doth order give To sounds confused. --Shak. [1913 Webster]
Let winds be shrill, let waves roll high. --Byron. [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Shrill \Shrill\, n. A shrill sound. [Obs.] --Spenser. [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Shrill \Shrill\, v. i. [imp. & p. p. Shrilled; p. pr. & vb. n. Shrilling.] [OE. schrillen, akin to G. schrillen; cf. AS. scralletan to resound loudly, Icel. skr["o]lta to jolt, Sw. skr[aum]lla to shrill, Norw. skryla, skr?la. Cf. Skirl.] To utter an acute, piercing sound; to sound with a sharp, shrill tone; to become shrill. [1913 Webster]
Break we our pipes, that shrilledloud as lark. --Spenser. [1913 Webster]
No sounds were heard but of the shrilling cock. --Goldsmith. [1913 Webster]
His voice shrilled with passion. --L. Wallace. [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Shrill \Shrill\, v. t. To utter or express in a shrill tone; to cause to make a shrill sound. [1913 Webster]
How poor Andromache shrills her dolors forth. --Shak. [1913 Webster]