|a short pithy sentence or phrase extracted from a longer speech for use on radio or television|
|a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.|
|the offspring of a zebra and a donkey.|
A short, striking, quotable statement well suited to a television news program. For example, He's extremely good at sound bites, but a really substantive speech is beyond him. This slangy expression, first recorded in 1980, originated in political campaigns in which candidates tried to get across a particular message or get publicity by having it picked up in newscasts.