(v. i.) To move staggeringly or unsteadily from one side to the other; to vacillate; to move the manner of a rotating disk when the axis of rotation is inclined to that of the disk; -- said of a turning or whirling body; as, a top wabbles; a buzz saw wabbles.
WABBLE
Meaning of WABBLE in English
Webster's English dictionary. Английский словарь Webster. 2012