Paternoster \Pa"ter*nos`ter\, n. [L., Our Father.] 1. The Lord's prayer, so called from the first two words of the Latin version. 2. (Arch.) A beadlike ornament in moldings. 3. (Angling) A line with a row of hooks and bead?shaped sinkers. {Paternoster pump}, {Paternoster wheel}, a chain pump; a noria. {Paternoster while}, the space of time required for repeating a paternoster. --Udall.