screw down

(redirected from screwed them down)

screw down

To affix or secure something to some surface with screws. A noun or pronoun can be used between "screw" and "down." The desk kept sliding all around the room, so I finally just screwed it down to the floor. Make sure you screw down the control panel really securely—we can't afford to let any moisture get in there.
See also: down, screw
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

screw something down

to secure something to the floor or a base by the use of screws. You had better screw these seats down or someone will knock them over. Please screw down the shelf.
See also: down, screw
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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