Squeal (skwēl), v. i. [imp. & p. p.Squealed (skwēld); p. pr. & vb. n.Squealing.] [Of Scand. origin; cf. Sw. sqväla, Norw. skvella. Cf. Squeak, Squall.] 1. To cry with a sharp, shrill, prolonged sound, as certain animals do, indicating want, displeasure, or pain.
2. To turn informer; to betray a secret.