1. plural of hisser; people or animals that hiss
Usage: common
2. devices or objects that produce a hissing sound
Usage: informal

Examples

• The snakes were fierce hissers, warning us to stay back.
• The audience members were hissers who disapproved of the performance.
• The steam pipes were loud hissers in the old building.
• Geese are natural hissers when they feel threatened.
• The crowd included both cheerers and hissers during the debate.