cease to operate or cause to cease operating; "The owners decided to move and to close the factory"; "My business closes every night at 8 P.M."; "close up the shop"
place in a place where something cannot be removed or someone cannot escape; "The parents locked her daughter up for the weekend"; "She locked her jewels in the safe"
come or bring to a finish or an end; "He finished the dishes"; "She completed the requirements for her Master's Degree"; "The fastest runner finished the race in just over 2 hours; others finished in over 4 hours"