Gib"ber (?), n. [From Gib to balk.] A balky horse. Youatt.
Gib"ber (?), v. i. [imp. & p. p. Gibbered (?); p. pr. & vb. n. Gibbering.] [Akin to jabber, and gabble.] To speak rapidly and inarticulately. Shak.