n. 1. A usually short journey made for pleasure; an outing. 2. A roundtrip in 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. Physics a. A movement from and back to a mean position or axis in an oscillating or alternating motion. b. The distance traversed in such a movement. [Latin excursiō, excursiōn-, from excursus, past participle of excurrere, to run out : ex-, ex- + currere, to run; see kers- in the Appendix of Indo-European roots.] |
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