a word that is spelled the same as another word but has a different meaning

"Bow" meaning the front of a ship, "bow" meaning a loop made in a string or ribbon, and "bow" meaning a device used to shoot arrows are all homographs. 意为船头的 bow、意为用细绳或丝带打成的蝴蝶结的 bow 和意为射箭用具的 bow 是同形异义词。