1. a curved structure that spans an opening and supports weight above it
2. the curved underside of the foot

1. to form or cause to form a curved shape

1. playfully teasing or mischievous

Examples

• The stone arch has stood for centuries.
• She walked under the marble arch in the garden.
• The doctor examined the arch of his foot.
• The cat arched its back when frightened.
• Her eyebrows arched in surprise.
• He gave her an arch smile before telling the joke.
• The bridge arches gracefully over the river.
• She made an arch comment about his cooking skills.