Bot. rare. [f. TRACHEA + -ome as in rhizome, caulome, etc.] General term for a wood-vessel (trachea), wood-cell (tracheide), or other structure of the same class.
1900. B. D. Jackson, Gloss. Bot. Terms, 273/1. Tracheome, stated by Potonié not to be the tracheal, but the hydral system of the bundle, he therefore names it Hydrome.
