Joggle

1. (v. t.) To shake slightly; to push suddenly but slightly, so as to cause to shake or totter; to jostle; to jog.
2. (v. t.) To join by means of joggles, so as to prevent sliding apart; sometimes, loosely, to dowel.
3. (v. i.) To shake or totter; to slip out of place.
4. (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.