The Collaborative International Dictionary
Knotwort
Knotwort \Knot"wort`\ (n[o^]t"w[^u]rt`), n. (Bot.) A small, herbaceous, trailing plant, of the genus Illecebrum ( Illecebrum verticillatum).
Wiktionary
knotwort
n. (context botany English) A small, herbaceous, trailing plant of the genus (taxlink Illecebrum genus noshow=1).