Ground"sel (?), n. [OE. grundswilie, AS. grundeswylige, grundeswelge, earlier gundiswilge; gund matter, pus + swelgan to swallow. So named as being good for a running from the eye. See Swallow, v.] (Bot.) An annual composite plant (Senecio vulgaris), one of the most common and widely distributed weeds on the globe.

Ground"sel (?), Ground"sill` (?), n. [Ground + sill.] See Ground plate (a), under Ground