button up
verb- To fasten with a button or buttons. · Button up your shirt cuff. It has come undone.
- To fasten all the buttons on a coat, or similar item of clothing, to keep warm. · Button up well. It's freezing outside today.
- To conclude; to finalize; to put the finishing touches (on). · It's time to button up the meeting.
- To seal off (a military vehicle or facility).
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