1. a sharp sibilant sound like that made by a snake or escaping steam

1. making a sharp sibilant sound

Examples

• The hissing of the radiator kept me awake all night.
• We could hear the hissing sound of air escaping from the tire.
• The audience responded with loud hissing when the villain appeared.
• The hissing kettle signaled that the water was ready.
• A hissing snake coiled in the corner of the room.
• The hissing steam rose from the hot pavement after the rain.
• The cat made a hissing noise when the dog approached.