Turning the helm as far as possible; as in: The wheel is hard over but with no way on we aren't turning.

A command issued as the steerer turns the helm to tack the boat; as in: Ready about...Hard a-lee.

To take a boat out of water; as in: Every year we haul out our boat and put her in dry dock.

The type of bottom in an anchorage; as in: This anchorage has good holding ground.

A command issued while jibing just prior to the boom swinging across the centerline; as in: Ready to jibe...Jibe-ho.

A sailboat is on port tack when the mainsail is on the starboard side (the wind will usually, but not always, be on her port side); as in: When we're on a port tack we must give way to starboard [..]

Behind; as in: The stern is abaft the beam. abeam. At a right angle to the boat; as in: That buoy lies abeam of us.

On the boat; as in: If we go aboard the boat now we will be able to leave soon.

No power, unsecured; as in: Without wind and no engine we would be adrift.

Floating, as in: Our life jackets will keep us afloat. aft and after. Direction; as in: Go aft to the stern of the boat. aground. (not to be confused with grounding at anchor). Stuck on the bottom; as [..]