The Collaborative International Dictionary of English v.0.48:

Collar \Col"lar\, v. t. [imp. & p. p. Collared; p. pr. & vb.
   n. Collaring.]
   1. To seize by the collar.
      [1913 Webster]

   2. To put a collar on.

   3. to arrest, as a wanted criminal. Same as put the collar
      on.
      [PJC]

   To collar beef (or other meat), to roll it up, and bind it
      close with a string preparatory to cooking it.
      [1913 Webster] collarbone

The Collaborative International Dictionary of English v.0.48:

Collared \Col"lared\ (k[o^]l*l[~e]rd), a.
   1. Wearing a collar. "Collared with gold." --Chaucer.
      [1913 Webster]

   2. (Her.) Wearing a collar; -- said of a man or beast used as
      a bearing when a collar is represented as worn around the
      neck or loins.
      [1913 Webster]

   3. Rolled up and bound close with a string; as, collared
      beef. See To collar beef, under Collar, v. t.
      [1913 Webster]