Webster's Revised Unabridged Dictionary · 1913

closing

closing , adjective

final or ending; terminal; as, the closing stages of the election; the closing weeks of the year; the closing scene of the film; closing remarks. Opposite of opening.

closing , noun

1.
the act of closing something.
2.
the last section of a communication.
3.
termination of operations.
4.
a concluding action.
5.
(Commerce) the final action in a commercial transaction, especially the meeting between buyer and seller (and in some cases mortgagee), or their representatives, in a transaction for sale of real estate in which all documents are signed and all procedures carried out to complete the sale; -- called also real estate closing.