Translation guide
In Japanese, 'ham' is typically referred to as ハム, a loanword from English. It refers to processed pork ham, similar to Western-style ham. There are also traditional Japanese terms for ham-like products, but ハム is the most common and natural word for English speakers to use.
The most common meaning: sliced or whole ham made from pork, as used in sandwiches, salads, etc.
The standard loanword for Western-style ham. Used in most contexts.
I'll have a ham sandwich, please.
This ham is very delicious.
When referring to ham in the context of Japanese dishes or traditional products.
Even in Japanese cuisine, ハム is used for processed ham. However, note that Japanese ham (e.g., ロースハム) may differ from Western varieties.
Japanese ham is a little sweet.
Specifically 'prosciutto' or cured ham, not cooked. Often used for Italian-style raw ham.
Referring to an amateur radio operator.
Used in the context of amateur radio. Same loanword, but meaning differs.
He has a ham radio license.
Describing an actor who overacts or performs in an exaggerated manner.
In casual Japanese, ハム can also be short for ハムスター (hamster). Context usually makes it clear, but be aware of the potential ambiguity.
I have a hamster. (Not 'I have ham.')
生ハムとメロンの前菜を注文した。
I ordered the prosciutto and melon appetizer.