1. wide open
2. staring with the mouth open, especially in wonder or shock

1. present participle of gape: to stare with the mouth open

Examples

• There was a gaping hole in the fence.
• The gaping wound required immediate medical attention.
• The tourists stood gaping at the magnificent cathedral.
• She noticed a gaping space between the floorboards.
• The children were gaping in amazement at the magic show.
• A gaping chasm separated the two cliffs.
• He was gaping at the celebrity walking by.