[Ref. to Numbers xvii. 8.]
1. Herb. A name popularly applied to different plants with tall flowering stems; especially the Great Mullein or Hag-taper (Verbascum Thapsus), and the Golden Rod (Solidago Virgaurea), or a cultivated Canadian species of the latter.
1834. Mary Howitt, The Garden (Sketches of Nat. Hist., 1851), 108. Id Jacobs Ladder, Aarons Rod, And the Peacock Gentianella.
2. Arch. An ornamental figure representing a rod with a serpent entwined about it; improperly called the caduceus of Mercury. Weale, Dict. of Terms, 1849, and other mod. Dict.Not in Gwilt or Parker.