Words with multiple meanings would be ones that have more than one definition.
Some examples:
foul
The word you are looking for is "pun." A pun is a play on words that relies on a word's multiple meanings or on two words that sound similar but have different meanings.
A word that has multiple meanings
in
The word "de" in Spanish can have multiple meanings in English, such as "of," "from," "about," or "belonging to," depending on the context.
A play on the multiple meanings of a word is called a pun. It is a form of wordplay that exploits homophones, similar-sounding words, or the different meanings of a single word for humorous or rhetorical effect.
Gale can have multiple meanings. For example GALE LAGNA means to hug and GALE is the plural of GALA which means Throat.
If you mean 'devoirs' it means duties. (In school it means homework !)
Vulgar is another word that the person most likely won't understand it has multiple meanings such as ugly, rude...ect
The word enveloped has multiple different dictionary meanings. To envelope something means to enclose, to enfold, or to engulf completely with nothing left showing.
When a word has more than one definition, it is called being polysemous. This means that the word has multiple meanings or interpretations based on context.
The word patron often means boss, but it also means pattern.