A pot was a container with various uses.
According to superstition, rainbows had pots of gold at the end. (PROSE: The End of the Rainbow)
A tobacco pot was on the Elysium before her crash on 17 July 1888. (PROSE: The Elysium [+]North West Historical Society (Punchdrunk and BBC, 2011).)
A secretary offered a pot of tea to Victor Kennedy, only to be absorbed by him. (TV: Love & Monsters [+]Russell T Davies, Doctor Who series 2 (BBC One, 2006).)