The Collaborative International Dictionary of English v.0.48:

Becket \Beck"et\, n. [Cf. D. bek beak, and E. beak.]
   [1913 Webster]
   1. (Naut.) A small grommet, or a ring or loop of rope or
      metal for holding things in position, as spars, ropes,
      etc.; also a bracket, a pocket, or a handle made of rope.
      [1913 Webster]

   2. A spade for digging turf. [Prov. Eng.] --Wright.
      [1913 Webster]

WordNet (r) 3.0 (2006):

Becket
    n 1: (Roman Catholic Church) archbishop of Canterbury from 1162
         to 1170; murdered following his opposition to Henry II's
         attempts to control the clergy (1118-1170) [syn: Becket,
         Thomas a Becket, Saint Thomas a Becket, St. Thomas a
         Becket]
    2: (nautical) a short line with an eye at one end and a knot at
       the other; used to secure loose items on a ship