stop·gap 
/ˈstɑ:pˌgæp/ noun
plural stop·gaps /ˈstɑ:pˌgæp/ noun [count] : someone or something that is intended to be used for a short time and then replaced by someone or something better : a temporary substitute
▪ The new law is intended only as a stopgap. — often used before another noun ▪ a stopgap solution
▪ The new law is intended only as a stopgap. — often used before another noun ▪ a stopgap solution
