Meaning of neckweed in English:

neckweed

Pronunciation /ˈnɛkwiːd/

noun

  • 1slang The plant hemp (used with humorous allusion to the use of hempen rope for hanging people).

  • 2US rare Either of two speedwells, Veronica agrestis and V. peregrina, reputed to cure scrofula (tuberculosis of the lymph nodes of the neck).

Origin

Mid 16th century; earliest use found in William Bullein (c1515–1576), physician. From neck + weed.