Definition of squash:
a game much like rackets, played in a walled court with soft rubber balls and bats like tennis rackets; a plant and its fruit of the genus Cucurbita
, or gourd
"note: The species are much confused. The long-neck squash is called Cucurbita verrucosa, the Barbary or China squash, C. moschata, and the great winter squash, C. maxima, but the distinctions are not clear."
to beat or press into pulp or a flat mass; to crush