D defs.my
Entry 2 senses Webster, 1913

Squarer

/(skwâr"ẽr)/ · Squar·er · IPA
01 n. One who, or that which, squares.
  1. 1.
    One who, or that which, squares.
  2. 2.
    One who squares, or quarrels; a hot-headed, contentious fellow.[Obs.]