sense of humour is a noun meaning "the trait of appreciating (and being able to express) the humorous". It carries one recorded sense.
the trait of appreciating (and being able to express) the humorous
“she didn't appreciate my humor”
“you can't survive in the army without a sense of humor”
Definitions, synonyms and semantic relations for sense of humour come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.