cast loose

By earliest dawn of the next day the raft was cast loose from moorings, and rowed out into the river clear of the islet.

Then the ropes were cast loose, the gangway was thrown down, the ship was pushed out into the bay, and the anchor let go.

The hours flew until the tug signaled that she must cast loose and back away from the reef.

It was worrying Burt too, but he jumped aboard his raft and cast loose without giving vent to his fears.

Cast loose the signal-gun lashed down there on the main deck.