1. a large motor vehicle designed to carry passengers between stopping places along a regular route. More formal name: omnibus. Sometimes called: motorbus. 2. short for trolleybus. 3. (modifier) of or relating to a bus or buses. a bus driver. a bus station. 4. informal. a car or aircraft, esp one that is old and shaky. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.