1.a container, especially a large, round one on a stem, that is used for decorative purposes in a garden, or one that has a lid and is used for holding a dead person's ashes (= the powder that is left after a dead body has been burned)
2.a large, cylinder-shaped metal container with a lid, used for holding a large amount of a drink such as tea or coffee and keeping it hot
a tea urn
3.a large, round container from which coffee or tea is served, or a decorative container, esp. one that holds the ashes of the body of a dead person after it has been cremated (= burned)