The Collaborative International Dictionary of English v.0.48:

Beck \Beck\, n.
   See Beak. [Obs.] --Spenser.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Beck \Beck\, n. [OE. bek, AS. becc; akin to Icel. bekkr brook,
   OHG. pah, G. bach.]
   A small brook.
   [1913 Webster]

         The brooks, the becks, the rills.        --Drayton.
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The Collaborative International Dictionary of English v.0.48:

Beck \Beck\, n.
   A vat. See Back.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Beck \Beck\, v. i. [imp. & p. p. Becked; p. pr. & vb. n.
   Becking.] [Contr. of beckon.]
   To nod, or make a sign with the head or hand. [Archaic]
   --Drayton.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Beck \Beck\, v. t.
   To notify or call by a nod, or a motion of the head or hand;
   to intimate a command to. [Archaic]
   [1913 Webster]

         When gold and silver becks me to come on. --Shak.
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The Collaborative International Dictionary of English v.0.48:

Beck \Beck\, n.
   A significant nod, or motion of the head or hand, esp. as a
   call or command.
   [1913 Webster]

         They have troops of soldiers at their beck. --Shak.
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WordNet (r) 3.0 (2006):

beck
    n 1: a beckoning gesture