Definitions

1. noun

A type of historical sailing ship or a type of ship used in the 16th to 19th centuries, especially a three-masted fore-and-aft rigged sailing ship

“The museum displayed a model of an old kreuzer.”

2. noun

A type of German imperial warship, particularly from the 16th to the 18th centuries

“The kreuzer played a crucial role in the naval battles of the 17th century.”