### Clue: Quiet! Let one on board with keel close to waterline (7-7)
### Answer: SHALLOW-DRAUGHT 
 ### Explanation: Definition: with keel close to waterline
 SH!(Quiet!, telling someone to be quiet) + ALLOW(to let/to permit) + DRAUGHT(one of the pieces on the board used for the game of, well, draughts).
Defn: …, describing a floating vessel whose bottom/keel is not much below/close to the water level/waterline.
Any shallower than this?