Used to increase the power and speed of a car engine: a pretty good selection of hopup and speed equipment (1950s+ Hot rodders)
- Hop trefoil
noun 1. a leguminous plant, Trifolium campestre, of N temperate grasslands, with globular yellow flower heads and trifoliate leaves US and Canadian name hop clover
[hop-tree] /ˈhɒpˌtri/ noun 1. any of several North American shrubs or small belonging to the genus Ptelea, of the citrus family, especially P. trifoliata, having trifoliate leaves and roundish, waferlike fruit.
[hop-tohd] /ˈhɒpˌtoʊd/ noun, Chiefly Northeastern U.S. 1. a . n. by 1827, American English, from hop (v.) + toad.
noun 1. See under 2 . [hwif, wif] /ʰwɪf, wɪf/ noun 1. any of several flatfishes having both eyes on the left side of the head, of the genus Citharichthys, as C. cornutus (horned whiff) inhabiting Atlantic waters from New England to Brazil. /wɪf/ noun 1. a passing odour 2. a brief gentle gust of […]