the act of participating in an athletic competition involving running on a track | the playing of a card to start a trick in bridge |
any road or path affording passage especially a rough one | a position of being the initiator of something and an example that others will follow (especially in the phrase `take the lead') |
a bar or pair of parallel bars of rolled steel making the railway along which railroad cars or other vehicles can roll | a jumper that consists of a short piece of wire |
a pair of parallel rails providing a runway for wheels | thin strip of metal used to separate lines of type in printing |
a groove on a phonograph recording | restraint consisting of a rope (or light chain) used to restrain an animal |
(computer science) one of the circular magnetic paths on a magnetic disk that serve as a guide for writing and reading data | the timing of ignition relative to the position of the piston in an internal-combustion engine |
a course over which races are run | an advantage held by a competitor in a race |
an endless metal belt on which tracked vehicles move over the ground | evidence pointing to a possible solution |
evidence pointing to a possible solution | a news story of major importance |
a distinct selection of music from a recording or a compact disc | the introductory section of a story |
a line or route along which something travels or moves | an indication of potential opportunity |
| (baseball) the position taken by a base runner preparing to advance to the next base |
| an actor who plays a principal role |
| (sports) the score by which a team or individual is winning |
| the angle between the direction a gun is aimed and the position of a moving target (correcting for the flight time of the missile) |
| mixture of graphite with clay in different degrees of hardness; the marking substance in a pencil |
| a soft heavy toxic malleable metallic element; bluish white when freshly cut but tarnishes readily to dull grey |