cov·er·all 
/ˈkʌvɚˌɑ:l/ noun
plural cov·er·alls /ˈkʌvɚˌɑ:l/ noun [count] US : a piece of clothing that is worn over other clothes to protect them — usually plural ▪ The mechanic was dressed in (a pair of) coveralls. [=(Brit) overalls]
