ball bag vs collar

ball bag

noun
  • The scrotum. 

collar

noun
  • A ring or cincture. 

  • A piece of meat from the neck of an animal. 

  • A curb, or a horizontal timbering, around the mouth of a shaft. 

  • A collar beam. 

  • An arrest. 

  • The neck or line of junction between the root of a plant and its stem 

  • A similar detachable item. 

  • A trading strategy using options such that there is both an upper limit on profit and a lower limit on loss, constructed through taking equal but opposite positions in a put and a call with different strike prices. 

  • A decorative band or other fabric around the neckline. 

  • Of or pertaining to a certain category of professions as symbolized by typical clothing. 

  • A physical lockout device to prevent operation of a mechanical signal lever. 

  • The part of an upper garment (shirt, jacket, etc.) that fits around the neck and throat, especially if sewn from a separate piece of fabric. 

  • A part of harness designed to distribute the load around the shoulders of a draft animal. 

  • A ringlike part of a mollusk in connection with the esophagus. 

  • A coloured ring round the neck of a bird or mammal. 

  • A band or chain around an animal's neck, used to restrain and/or identify it. 

  • Any encircling device or structure. 

  • An eye formed in the bight or bend of a shroud or stay to go over the masthead; also, a rope to which certain parts of rigging, as dead-eyes, are secured. 

  • A chain worn around the neck. 

verb
  • To bind in conversation. 

  • To arrest. 

  • To place a collar on, to fit with one. 

  • To preempt, control stringently and exclusively. 

  • To seize, capture or detain. 

  • To bind (a submissive) to a dominant under specific conditions or obligations. 

  • To roll up (beef or other meat) and bind it with string preparatory to cooking. 

  • To grab or seize by the collar or neck. 

How often have the words ball bag and collar occurred in a corpus of books? (source: Google Ngram Viewer )