For speed, we'll want a high mast and a deep keel to balance it.

The fin and rudder were quite short but the latter extended to the deep keel.

In order to control these more powerful sails, heavier and deeper keels must also be fitted.

Across town, in a hotel room, is the woman responsible for the Bridgeses' deep keel.

The deep keel on the sternum indicates that it was capable of flight.

Like the Star, a cup boat has a great big main, a small jib and a deep keel with a bulb.

She needed to feel the sea about her long deep keel again.

And the wide, flat bottom and the deep keel meant that it would be almost impossible to turn over.

The longships' narrow deep keel provided strength beneath the waterline.

Squala's deep keel would make her a bad choice for any "activity" in such an area as this!