call a meeting to order and call the meeting to order

call a/the meeting to order

To declare that a meeting is officially underway. You can still slip into the conference room—no one has called the meeting to order yet.
See also: call, meeting, order
Farlex Dictionary of Idioms.

call a meeting to order and call the meeting to order

to announce that a meeting is about to begin. The chair called the meeting to order. The meeting will be called to order at noon.
See also: and, call, meeting, order
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • call a/the meeting to order
  • call to order
  • take a meeting
  • this is where I came in
  • This is where I came in.
  • meeting
  • any other business
  • preside
  • preside at
  • preside at (something)