Leeward

adv. on the side sheltered from the wind (Nautical)

adj. away from the wind, sheltered from the wind (Nautical)

n. side away from the wind (Nautical)

Windward is the direction from which the wind is blowing at the time in question. The side of a ship which is towards the windward is the weather side. If the vessel is heeling under the pressure of the wind, this will be the "higher side"Leeward is the direction downwind from the point of reference. The side of the ship towards the leeward is its lee side. If the vessel is heeling under the pressure of the wind, this will be the "lower side".
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Noun
1. the direction in which the wind is blowing
(antonym) windward
(hypernym) direction
(hyponym) to leeward, leeward side
2. the side of something that is sheltered from the wind
(synonym) lee, lee side
(hypernym) side, face
Adjective
1. on the side away from the wind; "on the leeward side of the island"
(antonym) windward
(similar) downwind, lee(a)
Adverb
1. toward the wind; "they were sailing leeward"
(synonym) upwind
(antonym) windward, downwind

(n.)
The lee side; the lee.
  

(adv.)
Toward the lee.
  

(a.)
Pertaining to, or in the direction of, the part or side toward which the wind blows; -- opposed to windward; as, a leeward berth; a leeward ship.
  

Of, located on, or being the side of a dune, hill, or ridge that is sheltered from the wind. See also windward.