1. objects used to hold a door open or prevent it from closing
Usage: plural of doorstop
2. objects placed behind a door to prevent it from hitting a wall when opened
Usage: plural of doorstop
3. very heavy books that are considered boring or difficult to read
Usage: informal; humorous; plural of doorstop

Examples

• She placed rubber doorstops under both doors to keep them open during the party.
• The office building installed spring-loaded doorstops to protect the walls.
• We need to buy new doorstops for the classroom doors.
• The doorstops prevented the heavy door from slamming shut in the wind.
• Those thick textbooks make excellent doorstops when you’re not studying.
• The janitor replaced all the broken doorstops in the hallway.