a bluebird, Siala currucoides, of western North America.
/ˈmaʊntɪnˌbɔːd/ noun 1. a type of skateboard specially designed for rough terrain and steep slopes, having four large wheels linked by a suspension system
noun 1. a European composite plant, Centaurea montana, having raylike blue flowerheads.
noun a type of extreme sport using a skateboard-like board to descend mountain terrain; a combination of snowboarding, skateboarding, and mountain biking; also called dirtboarding Examples Mountainboarding requires special all-terrain boards. Usage Note mountainboard n, v
noun 1. a city in central Alabama, near Birmingham.