Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
pterostylis is a noun meaning "genus of terrestrial orchids of Australia and New Zealand and western Pacific". It carries one recorded sense.
genus of terrestrial orchids of Australia and New Zealand and western Pacific
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 pterostylis come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.