Tripping

1. Act of one who, or that which, trips.
2. A light dance.
3. (Naut.) The loosing of an anchor from the ground by means of its cable or buoy rope.
Tripping line (Naut.),
a small rope attached to the topgallant or royal yard, used to trip the yard, and in lowering it to the deck; also, a line used in letting go the anchor.