As a Noun: 1. Words and music which are sung together (with or without signs). English = song, singing. 2. A person who sings songs. English = singer. 3. A group of people who sing songs together. English = choir. 4. A song that Christians sing in order to praise God. English = hymn. As a Verb or Adjective: 1. To make musical sounds with your voice (with or without signing at the same time). English = sing.