What is "screamed"

Scream \Scream\ (skr[=e]m), v. i. [imp. & p. p. Screamed (skr[=e]md); p. pr. & vb. n. Screaming.] [Icel. skr[ae]ma to scare, terrify; akin to Sw. skr["a]ma, Dan. skr[ae]mme. Cf. Screech.] To cry out with a shrill voice; to utter a sudden, sharp outcry, or shrill, loud cry, as in fright or extreme pain; to shriek; to screech.

I heard the owl scream and the crickets cry.
--Shak.

And scream thyself as none e'er screamed before.
--Pope.

vb. (en-past of: scream)