Siz'er, n.
n. 1. The same as SIZAR.
Sense 2. An instrument, or contrivance, to size articles, or to determine their size by a standard, or to separate and distribute according to size; as, (a.) A thin piece of brass, with a round hole, through which a bullet is passed to see whether it is perfectly round. (b.) A plate of metal, &c., perforated with holes, used to separate coffee berries, &c., according to size.