St Kath ‧ a ‧ rine's Dock /s ə nt ˌkæθ ə rənz ˈdɒk $ seɪnt- -ˈdɑːk/ BrE AmE
a ↑ dock on the River Thames near the Tower of London, where ships used to be loaded and unloaded. It is now a centre for sailing boats, including some very old boats that tourists can visit.