say it: OO-lawng
oolong is a noun meaning "Chinese tea leaves that have been partially fermented before being dried". It carries one recorded sense.
Chinese tea leaves that have been partially fermented before being dried
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 oolong come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.