IPA: /ˌpɒlɪˈsiːmɪk/
KK: /pɑˈlɪsɪmɪk/
Describing a word or phrase that has multiple meanings or interpretations.
The word 'bank' is polysemic because it can refer to a financial institution or the side of a river.
Polysemic → It is formed from "poly-" (from Greek "polus", meaning many) and "semēion" (meaning sign). The word "polysemic" refers to a word that has many meanings or signs associated with it.
Think of 'many' ('poly-') meanings or 'signs' ('semēion') that a single word can have — that's what polysemic means.