(architecture) tower, spire (very tall building or structure, especially with a tapering top) / (architecture) steeple (tall tower on a church, normally topped with a spire) / (chess) rook (piece shaped like a castle tower) / (sports) diving platform (structure used for competitive diving)

Leaning Tower of Pisa (famous bell tower in the Italian town of Pisa)

genitive singular of Turm

genitive singular of Turm

dative of Turm