THREE-COAT a.
Having or consisting of three coats; -- applied to plastering which consists of pricking-up, floating, and a finishing coat; or, as called in the United States, a scratch coat, browning, and finishing coat.
WAISTCOATEER n.
One wearing a waistcoat; esp., a woman wearing one uncovered, or thought fit for such a habit; hence, a loose woman; strumpet. [Obs.] Do you think you are here, sir, Amongst your waistcoateers, your base wenches Beau. & Fl.
ADDITION n.
Something added to a coat of arms, as a mark of honor; -- opposed to abatement. Vector addition (Geom.), that kind of addition of two lines, or vectors, AB and BC, by which their sum is regarded as the line, or vector, AC.
ARGENT n.
The white color in coats of arms, intended to represent silver, or, figuratively, purity, innocence, beauty, or gentleness; -- represented in engraving by a plain white surface. Weale.