A clock part is an essential component of a clock, and the crossword solutions for the term 'clock part' include PENDULUM (8 letters), FACE (4 letters), DIAL (4 letters), GEAR (4 letters), HAND (4 letters), HANDS (5 letters), and hourhand (8 letters). A PENDULUM is a weight suspended from a pivot so that it can swing freely, and is used to regulate the movement of a clock. The FACE of a clock is the visible surface of the clock, which usually has numbers or markings to indicate the time. The DIAL is the part of the clock that displays the time, and is usually found on the FACE of the clock. Gears are interlocking wheels used to transmit motion from one part of a machine to another, and are often used in clocks to move the HANDS. The HANDS of a clock are the two arms that point to the numbers on the FACE of the clock, and indicate the time. The hourhand is the longer of the two HANDS, and is used to indicate the hour.