See gauge (sense 11)
noun 1. a weapon consisting of a pair of parallel conductive rails, using a magnetic field and electric current to launch projectiles at very high velocity.
[rey-ling] /ˈreɪ lɪŋ/ noun 1. a fencelike barrier composed of one or more horizontal supported by widely spaced uprights; balustrade. 2. . 3. collectively. [reyl] /reɪl/ noun 1. a bar of wood or metal fixed horizontally for any of various purposes, as for a support, barrier, fence, or . 2. a fence; . 3. one […]
[rey-luh-ree] /ˈreɪ lə ri/ noun, plural railleries. 1. good-humored ridicule; banter. 2. a bantering remark. /ˈreɪlərɪ/ noun (pl) -leries 1. light-hearted satire or ridicule; banter 2. an example of this, esp a bantering remark n. “good-humored ridicule,” 1650s, from rail (v.) + -ery, or perhaps from French raillerie, from Middle French railler “to tease” (see […]
noun 1. a system of rail transit within an urban area that has exclusive right of way either below, above, or on the ground and so is capable of relatively high operating speed. Abbreviation: RRT.