secured with a cover or binding; often used as a combining form; "bound volumes"; "leather-bound volumes"
held with another element, substance or material in chemical or physical union
headed or intending to head in a certain direction; often used as a combining form as in `college-bound students'; "children bound for school"; "a flight destined for New York"
move downward and lower, but not necessarily all the way; "The temperature is going down"; "The barometer is falling"; "The curtain fell on the diva"; "Her hand went up and then fell again"