Aaron's rod in Old English

translation and definition "Aaron's rod", Dictionary English-Old English online

Any of various plants with a tall flowering stem; especially the great mullein, or hag-taper, and the golden-rod.
(archaic) A rod with one serpent twined around it, as used by Aaron (differing from the caduceus of Mercury, which has two serpents).
rod used by Aaron

Aaron’s rod	feltwyrt; candelwyrt