Rum was a type of spirit.
The First Doctor, Ben Jackson and Polly Wright encountered rum smugglers in 17th century Cornwall. (TV: The Smugglers)
Polly drank run and coke at the Regent Hotel bar. (PROSE: Dying in the Sun)
Agnes Havisham carried a copy of Little Dorrit, which had been hollowed out to store a bottle of rum. (PROSE: Risk Assessment)