definition of
open

[1] #1 open v. [open up] cause to open or to become open; "Mary opened the car door". wn

[2] #2 open v. [open up] start to operate or function or cause to start operating or functioning; "open a business". wn

[3] #3 open v. [open up] become open; "The door opened". wn

[4] #4 open v. begin or set in action, of meetings, speeches, recitals, etc.; "He opened the meeting with a long speech". wn

[5] #5 open v. [unfold, spread, spread out] spread out or open from a closed or folded state; "open the map"; "spread your arms". wn