- a fragrant herb (Hyssopus officinalis) of the mint family, usually with blue flowers, having leaves used in folk medicine as a tonic, stimulant, etc.
- its flower
- any of several American plants of various families
- Bible a plant whose twigs were used for sprinkling in certain ancient Jewish rites
Origin of hyssopMiddle English isope from Old English and Old French ysope from Classical Latin hyssopus from Classical Greek hyss?pos, hyss?pon from Classical Hebrew (language) ?z?bh