NOUN (3)

1. a formal reception of visitors or guests (as at a royal court);

2. a pier that provides a landing place on a river;

3. an embankment that is built in order to prevent a river from overflowing;

The Collaborative International Dictionary of English v.0.48:

Levee \Lev"ee\ (l[e^]v"[-e]; often l[e^]v*[=e]" in U. S.), n.
   [F. lever, fr. lever to raise, se lever to rise. See Lever,
   n.]
   1. The act of rising. " The sun's levee." --Gray.
      [1913 Webster]

   2. A morning assembly or reception of visitors, -- in
      distinction from a soir['e]e, or evening assembly; a
      matin['e]e; hence, also, any general or somewhat
      miscellaneous gathering of guests, whether in the daytime
      or evening; as, the president's levee.
      [1913 Webster]

   Note: In England a ceremonious day reception, when attended
         by both ladies and gentlemen, is called a
         drawing-room.
         [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Levee \Lev"ee\, v. t.
   To attend the levee or levees of.
   [1913 Webster]

         He levees all the great.                 --Young.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Levee \Lev"ee\, n. [F. lev['e]e, fr. lever to raise. See
   Lever, and cf. Levy.]
   An embankment to prevent inundation; as, the levees along the
   Mississippi; sometimes, the steep bank of a river. [U. S.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Levee \Lev"ee\, v. t.
   To keep within a channel by means of levees; as, to levee a
   river. [U. S.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

levee
    n 1: a formal reception of visitors or guests (as at a royal
         court)
    2: a pier that provides a landing place on a river
    3: an embankment that is built in order to prevent a river from
       overflowing