n. 1. (Bot.) An erect bushy shrub (Lambertia formosa) of eastern Australia having terminal clusters of red flowers yielding much nectar. Syn. -- mountain devil, Lambertia formosa. [ WordNet 1.5 ] 2. (Bot.) The Australian shrub (Protea mellifera) whose flowers yield honey copiously. Syn. -- Protea mellifera. [ WordNet 1.5 ] 3. (Bot.), An evergreen shrub of the genus Melianthus, a native of the Cape of Good Hope. The flowers yield much honey. [ 1913 Webster ] Variants: honeyflower |