The Collaborative International Dictionary of English v.0.48:
Lee \Lee\, a. (Naut.)
   Of or pertaining to the part or side opposite to that against
   which the wind blows; -- opposed to weather; as, the lee
   side or lee rail of a vessel.
   [1913 Webster]
   Lee gauge. See Gauge, n. (Naut.)
   Lee shore, the shore on the lee side of a vessel.
   Lee tide, a tide running in the same direction that the
      wind blows.
   On the lee beam, directly to the leeward; in a line at
      right angles to the length of the vessel and to the
      leeward.
      [1913 Webster] Leeangle