(1):

(v. t.) To join by means of joggles, so as to prevent sliding apart; sometimes, loosely, to dowel.

(2):

(v. t.) To shake slightly; to push suddenly but slightly, so as to cause to shake or totter; to jostle; to jog.

(3):

(n.) A notch or tooth in the joining surface of any piece of building material to prevent slipping; sometimes, but incorrectly, applied to a separate piece fitted into two adjacent stones, or the like.

(4):

(v. i.) To shake or totter; to slip out of place.