a plant (Hyssopus officinalis). The leaves have an aromatic smell, and a warm, pungent taste.
The hyssop of Scripture is supposed to be a species of caper (Capparis spinosa), but probably the name was used for several different plants.
Origin: oe. Hysope, ysope, OF. Ysope, f. Hysope, hyssope, L. Hysopum, hyssopum, hyssopus, gr, an aromatic plant, fr. Heb. Esov.