Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
restharrow is a noun meaning "Eurasian plant having loose racemes of pink or purple flowers and spiny stems and tough roots". It carries 2 recorded senses.
Eurasian plant having loose racemes of pink or purple flowers and spiny stems and tough roots
European woody plant having pink flowers and unifoliate leaves and long tough roots; spreads by underground runners
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for restharrow come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.