Source : Webster's Revised Unabridged Dictionary (1913)

Lewis \Lew"is\ (l[=u]"[i^]s), Lewisson \Lew"is*son\ (-s[u^]n),
   n.
   1. An iron dovetailed tenon, made in sections, which can be
      fitted into a dovetail mortise; -- used in hoisting large
      stones, etc.

   2. A kind of shears used in cropping woolen cloth.

   {Lewis hole}, a hole wider at the bottom than at the mouth,
      into which a lewis is fitted. --De Foe.

Source : WordNet®

Lewis
     n 1: United States rock star singer and pianist (born in 1935)
          [syn: {Jerry Lee Lewis}]
     2: United States athlete who won gold medals at the Olympics
        for his skill in sprinting and jumping (born in 1961)
        [syn: {Carl Lewis}, {Frederick Carleton Lewis}]
     3: United States explorer and soldier who lead led an
        expedition from St. Louis to the mouth of the Columbia
        River (1774-1809) [syn: {Meriwether Lewis}]
     4: United States labor leader who was president of the United
        Mine Workers of America from 1920 to 1960 and president of
        the Congress of Industrial Organizations from 1935 to 1940
        (1880-1969) [syn: {John L. Lewis}, {John Llewelly Lewis}]
     5: United States novelist who satirized middle-class America in
        his novel Main Street (1885-1951) [syn: {Sinclair Lewis},
        {Harry Sinclair Lewis}]
     6: English critic and novelist; author of theological works and
        of books for children (1898-1963) [syn: {C. S. Lewis}, {Clive
        Staples Lewis}]