community service is a noun meaning "a service that is performed for the benefit of the public or its institutions". It carries 2 recorded senses.
a service that is performed for the benefit of the public or its institutions
an unpaid service for the benefit of the public that is performed by lawbreakers as part (or all) of their sentence
Definitions, synonyms and semantic relations for community service come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.