From HomoExcelsior

1. A usually short journey made for pleasure; an outing. 2. A roundtrip on a passenger vehicle at a special low fare. 3. A group taking a short pleasure trip together. 4. A diversion or deviation from a main topic; a digression. 5. A movement from and back to a mean position or axis in an oscillating or alternating motion. 6. The distance traversed in such a movement.

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