button down[ buht-n-doun ]SEE DEFINITION OF button down
EXAMPLES FROM THE WEB FOR BUTTON DOWN
All I took from Adelaide were a small set of scales capable of determining the weight of a button down to 20 ozs.
She had tried long series of shorts, and, once, she had held the button down for a solid three minutes.
"We'd better stop to button down the rain-curtains, Captain," advised Jim.