n. a genus of plants of the goosefoot family (Chenopodiaceae); its members include species called orach and saltbush. Syn. -- genus Atriplex. [ WordNet 1.5 ]
(n) handsome low saltbush of arid southwestern United States and Mexico having blue-green prickly-edged leaves often used for Christmas decoration, Syn. Atriplex hymenelytra
(adj) having three units or components or elements, Syn. triplex, treble, triple, Example:a ternary operation; a treble row of red beads; overcrowding made triple sessions necessary; triple time has three beats per measure; triplex windows