D defs.my
Entry 2 senses Webster, 1913

Sizer

/sīz'-ẽr/ · Siz·er · IPA /sˈaɪzər/
01 n. See Sizar.
  1. 1.
    See Sizar. See: Sizar
  2. 2.
    An instrument or contrivance to size articles, or to determine their size by a standard, or to separate and distribute them according to size.(Mech.)