Answer: rapido

AnswerCrossword Clue
RAPIDOFast, like Speedy Gonzalez
RAPIDOItalian river crossed by Allies.
RAPIDOCassino's river.
RAPIDOMilan-Rome express.
RAPIDOItalian river of 1944 strife
RAPIDOSpanish fleet?
RAPIDOFast train in Spain
RAPIDOEuropean express train