joggle

A jolt; a jog.

In carpentry, a stub-tenon on the end of a post or piece of timber, which prevents the timber or post from moving laterally. Also joggle-joint.

In carp, and masonry, a notch in a piece of timber or stone, into which is fitted a projection upon a corresponding piece or counterpart, or a key also engaging a notch in a corresponding piece or counterpart, to prevent one piece from slipping on the other.

In iron ship-building, to make a joggle in (a plate or bar).

To shake slightly; give a sudden but slight push; jolt; jostle.