The word
"jack" can mean a few different things depending on the context. It can refer to a name, like
"Jack" as a person's name. It can also mean a playing card with a picture of a person, such as the
"Jack of hearts." Additionally, it can be used as a verb meaning to lift or raise something, like
"Jack up the car." So,
"jack" can mean a name, a playing card, or lifting something up.
Full definition