Chambers's Twentieth Century Dictionary…
“ Drag′on's-blood, the red resinous exudation of several kinds of trees in the W. and E. Indies, used for colouring; Drag′on's-head, a plant of genus Dracocephalum, of the mint family (Labiatæ) : (her.) tenné or tawny when blazoning is done by the heavenly bodies; Drag′on-shell, a cowry; Drag′on's-wort, tarragon or snake-weed; Drag′on-tree (same as Dracæna) . [Fr.,—L. draco, draconis—Gr. drakōn, from aorist of derk-esthai, to look.] Dragonnade, drag-on-ād′, n. the persecution of French Protestants under Louis XIV. by raids of dragoons: abandonment of a place to the violence of soldiers. ”
