释义 |
trip·per \ˈtripə(r)\ noun (-s) Etymology: Middle English trippere, from trippen to trip + -ere -er — more at trip 1. : a person that trips: as a. chiefly Britain : one that takes a trip : excursionist, tourist < a kind of traveller's companion for the literary-minded tripper — New Yorker > < like a day tripper who has missed the last train home — Elizabeth Bowen > b. : one (as an extra employee on a street railway) employed by the trip c. : deckman 2c 2. : a device or mechanism that trips: as a. : a contrivance operated by a passing train to work a signal, switch, or alarm b. : a projecting piece on a railroad track for operating a catch on a passing train to apply the brakes or sound a warning c. : a mechanism for releasing the prop of a wicket in a movable dam d. : a device for causing the load on a conveyor to be discharged into a hopper or other receptacle |