D defs.my
Entry 3 senses Webster, 1913

Bruiser

· Bruis·er · IPA
01 n. One who, or that which, bruises.
  1. 1.
    One who, or that which, bruises.
  2. 2.
    A boxer; a pugilist; hence, a strong, tough person; -- often used in the phrase big bruiser.
    “Like a new bruiser on Broughtonic sand, Amid the lists our hero takes his stand.” — T. Warton.
  3. 3.
    A concave tool used in grinding lenses or the speculums of telescopes.