Definitions of squash:

• noun:   a game played in an enclosed court by two or four players who strike the ball with long-handled rackets
• noun:   edible fruit of a squash plant; eaten as a vegetable
• noun:   any of numerous annual tendril-bearing trailing plants of the genus Cucurbita grown for their fleshy edible fruits
• verb:   to compress with violence, out of natural shape or condition