Definitions:
force (someone) to join a ship lacking a full crew by drugging them or using other underhand means

a catapult.

shoot with a catapult

a city on the east coast of china, a port on the estuary of the river yangtze; population 11,283,700 (est. 2006). opened for trade with the west in 1842, shanghai contained until the second world war areas of british, french, and american settlement. it was the site in 1921 of the founding of the chinese communist party.