Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
ripple-grass is a noun meaning "an Old World plantain with long narrow ribbed leaves widely established in temperate regions". It carries one recorded sense.
an Old World plantain with long narrow ribbed leaves widely established in temperate regions
Definitions, synonyms and semantic relations for ripple-grass come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.