n. A fall or flowing of water over a precipice or steep rocky declivity in a river or other stream; a waterfall, whether natural or artificial, but smaller than a cataract.n. In electricity, a peculiar arrangement of Leyden jars in which the outer coating of the first jar which receives the charge is connected to the inner coating of the second, and so on.n. A trimming of lace or other soft material, folded in a zigzag fashion so as to make a broken or irregular band, as down the front of a gown.n. The falling water in the constellation Aquarius. See Aquarius.To form cascades; fall in cascades.To vomit.n. In manuf. chem., a series of vessels, frequently of stoneware, from one to the next of which a liquid successively overflows, thus presenting a large absorbing surface to a gas with which it is to be charged.