say it: doo-ET
duet is a noun meaning "two items of the same kind". It carries 5 recorded senses.
two performers or singers who perform together
a pair who associate with one another
“the engaged couple”
“an inseparable twosome”
a musical composition for two performers
(ballet) a dance for two people (usually a ballerina and a danseur noble)
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 duet 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.