Definition of hyssops:
(n) :
Any of several aromatic bushy herbs, of the genus Hyssopus, native to Southern Europe and once used medicinally.
(n) :
Any of several similar plants:
(n) :
(biblical) A plant used used for sprinkling of blood or water in purification rituals and at Passover, Origanum syriacum.
(n) :
Agastache foeniculum, blue giant hyssop.
(n) :
(obsolete, US) The sagebrush (Artemisia spp.).