An Englishman, a Briton; a person of British descent.
"The fluffy pom sat on my lap while I tried to work from home."
An American alcoholic drink containing vodka and pomegranate juice.
Initialism of polyoxometalate.
A Pomeranian dog.
The word "pom" is a shortened form of pomegranate that originated in Australia in 1912 as rhyming slang for British immigrants, referencing the red skin they might get from sun exposure. While used to describe people, the term also refers to a cocktail that was originally created in America.