RESTHARROW
restharrow, rest-harrow, Ononis repens
(noun) European woody plant having pink flowers and unifoliate leaves and long tough roots; spreads by underground runners
restharrow, rest-harrow, Ononis spinosa
(noun) Eurasian plant having loose racemes of pink or purple flowers and spiny stems and tough roots
Source: WordNet® 3.1
Etymology
Noun
restharrow (plural restharrows)
Any of various species of small shrubs making up the genus Ononis, especially Ononis repens, which has pink flowers.
Source: Wiktionary
Rest"-har`row (-hr`r), n. (Bot.)
Definition: A European leguminous plant (Ononis arvensis) with long, tough
roots.
Source: Webster’s Unabridged Dictionary 1913 Edition