Ping-Pong n 1: a game (trademark Ping-Pong) resembling tennis but played on a table with paddles and a light hollow ball [syn: {table tennis}, {Ping-Pong}]
ping-pong \ping"-pong`\, n. [Imitative.] 1. An indoor modification of lawn tennis played with small bats, or battledores, and a very light, hollow, celluloid ball, on a large table divided across the middle by a net. Also called {table tennis}. [[originally a trade name] [Webster 1913 Suppl. +PJC] 2. A size of photograph a little larger than a postage stamp. [Webster 1913 Suppl.]
Ping-pong \Ping"-pong`\, v. i. 1. To play ping-pong. [Webster 1913 Suppl.] 2. to bounce back and forth, in the manner of a ping-pong ball. [PJC]
ping-pong <architecture> A phenomenon which can occur in a {multi-processor} system with {private caches} where two processors are alternately caching a shared location. Each time one writes to it, it invalidates the other's copy. (1995-12-29)