A doorstop refers to any physical item used to keep a door open or shut. They placed a brick as a doorstop to air out the room.
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Functional Use
Often practical and functional, a doorstop is chosen for its ability to perform its job rather than appearance. The heavy stone was perfect as a doorstop.
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Not Just Wedges
Doorstops can vary in shape, not just wedges; some may be decorative statues. Her new doorstop was a cute dog-shaped figurine.