A flat disk, as of metal, plastic, rubber, or leather, placed beneath a nut or bolt to make the connection more secure or distribute pressure or placed between parts to space the parts properly or prevent leakage in a joint, An annular piece of leather, rubber, metal, or other material placed at a joint in a water-pipe or faucet to make the joint tight and prevent leakage, or over a bolt, or a similar piece upon which a nut may be screwed, One who, or that which, washes

Present participle of measure, noun_ the act or process of assigning numbers to phenomena according to a rule, adjective_ Used in, or adapted for, ascertaining measurements, or dividing by measure, a faucet which permits only a given quantity of liquid to pass each time it is opened, or one by means of which the liquid which passes can be measured, (Zo”l.) the larva of any geometrid moth. They are so called because they move by a process in which they first pull the rear legs forward toward their front legs, forming a loop which resembles the process of measuring with a tape measure. The motion is completed by subsequently moving the front legs forward to an advanced position. See Geometrid