CLACK n.
rly carried by beggars, who clacked the lid to attract notice. Shak. Clack door (Mining), removable cover of the opening through which access is had to a pump valve. -- Clack valve (Mach.), a valve; esp. one hinged at one edge, which, when raised from its seat, falls with a clacking sound.
STAND n.
ing pitch. Microscope stand, the instrument, excepting the eyepiece, objective, and other removable optical parts. -- Stand of ammunition, the projectile, cartridge, and sabot connected together. -- Stand of arms. (Mil.) See under Arms. -- Stand of colors (Mil.), a single color, or flag. Wilhelm (Mil. Dict.) -- To b…