Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
castilleia is a noun meaning "genus of western North and South American perennials often partially parasitic on roots of grasses". It carries one recorded sense.
genus of western North and South American perennials often partially parasitic on roots of grasses
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 castilleia come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.