Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
watercolour is a noun and verb meaning "water-soluble pigment". It carries 5 recorded senses.
water-soluble pigment
a water-base paint (with water-soluble pigments); used by artists
a painting produced with watercolors
the art or technique of painting with watercolors
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 watercolour come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.