Definition of neckweed in English:

neckweed

noun

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

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

Origin

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

Pronunciation

neckweed

/ˈnɛkwiːd/