gum·weed 
(gŭmwēd′)
(gŭmwēd′)n.
Any of various plants of the genus Grindelia in the composite family, native to the Americas, having yellow, rayed flower heads and sticky leaves, stems, and bracts. Also called gum plant.
- sublimely
- sublimeness
- subliminal
- subliminally
- sublimity
- sublingual
- sublingually
- subliterary
- subliterate
- subliterature
- sublittoral
- sublunar
- sublunary
- subluxation
- submachine gun
- submandibular
- submarginal
- submarine
- submarine chaser
- submariner
- submarine sandwich
- submarket
- submaxilla
- submaxillary
- submediant