noun[ C ]uk/ˌsɜː.tɪ.faɪd ˈnɜː.sɪŋ əˌsɪs.tənt/us/ˌsɝː.t̬ə.faɪd ˈnɝː.sɪŋ əˌsɪs.tənt/(abbreviation CNA, /ˌsiː.enˈeɪ//ˌsiː.enˈeɪ/)
(美国护理制度下的)注册护士助理,注册护工
in the US, an officially registered person who helps sick or old people with everyday tasks such as washing and dressing, especially in a hospital or nursing home