'Screeching' definitions:

Definition of 'screeching'

(from WordNet)
noun
A high-pitched noise resembling a human cry; "he ducked at the screechings of shells"; "he heard the scream of the brakes" [syn: screech, screeching, shriek, shrieking, scream, screaming]
noun
Sharp piercing cry; "her screaming attracted the neighbors" [syn: scream, screaming, shriek, shrieking, screech, screeching]

Definition of 'Screeching'

From: GCIDE
  • Screech \Screech\ (skr[=e]ch), v. i. [imp. & p. p. Screeched; p. pr. & vb. n. Screeching.] [Also formerly, scritch, OE. skriken, skrichen, schriken, of Scand. origin; cf. Icel. skr[ae]kja to shriek, to screech, skr[imac]kja to titter, Sw. skrika to shriek, Dan. skrige; also Gael. sgreach, sgreuch, W. ysgrechio, Skr. kharj to creak. Cf. Shriek, v., Scream, v.] To utter a harsh, shrill cry; to make a sharp outcry, as in terror or acute pain; to scream; to shriek. "The screech owl, screeching loud." --Shak. [1913 Webster]