n. One who casts.n. One who computes; a calculator; especially, a calculator of nativities.n. One who assigns the parts of a play to the actors. One who makes castings; a founder.n. A vessel used to contain things in a powdered, liquid, or vaporous form, and to cast them out when needed; specifically, a bottle, vial, cruet, or other small vessel used to contain condiments for the table; also, a stand containing a set of such vessels. See casting-bottle, peppercaster, etc.n. A small wheel on a swivel, attached to the leg of a piece of furniture, in order to facilitate moving about without lifting. In this sense also improperly spelled castor.n. A cloak.n. A horse sold out of a regiment as useless.n. A suffix in place-names, appearing in several other forms, as -cester, -chester. See chester.n. n. One of the small callosities on the inner side of a horse's leg: more commonly known as chestnut.