1historical, rare A ship from Rotterdam.
2A native or inhabitant of Rotterdam.
Early 17th century; earliest use found in William Phillip (fl. 1596–1619), translator. From Rotterdam, the name of a major city and port in the province of South Holland in the Netherlands + -er, probably after Dutch Rotterdammer, also Rotterdamer ship from Rotterdam, person from Rotterdam, (adjective) from or pertaining to Rotterdam.