'To collar beef' definitions:

Definition of 'To collar beef'

From: GCIDE

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