n.1 shelter given by a neighbouring object (under the lee of).
2 (in full lee side) the sheltered side, the side away from the wind (opp. weather side).
Phrases and idioms:
lee-board a plank frame fixed to the side of a flat-bottomed vessel and let down into the water to diminish leeway. lee shore the shore to leeward of a ship.
Etymology: OE hleo f. Gmc