Definition of "facelock"

facelock

noun
plural facelocks
1. (wrestling) A type of headlock in which the opponent's head is clamped around the face.
  Quotations
  He raised his right arm and clamped a facelock on his opponent.
  1995, Gordon D. Shirreffs, The Ghost Dancers, page 146
  I stepped to the side like the world's worst matador and grabbed him in a front facelock. It was the only shoot hold I knew, one that harkened back to my days bouncing at Malarkey's in Calgary.
  2011, Chris Jericho, Undisputed: How to Become World Champion in 1,372 Easy Steps
  Eventually, someone said, “OK, move the furniture, and let's wrestle.” The deal this night was Les challenging my dad, saying, “Bet you can't hold me in a front facelock.” My dad put the hold on, and Les struggled to free himself, but ended up passing out after a few minutes.
  2012, Terry Funk, Scott E. Williams, Terry Funk: More Than Just Hardcore
2. A security protocol based on the attempted user's recognition of faces known to the account owner.
  Quotations
  This contrast can be used as the basis for a personalised ‘facelock’, in which authentication succeeds or fails based on image-invariant recognition of faces that are familiar to the account holder.
  2014 June 24, Rob Jenkins, Jane L. McLachlan, Karen Renaud, “Facelock: familiarity-based graphical authentication”, in PeerJ