Clap (?), v. i. 1. To knock, as at a door. Chaucer.
2. To strike the hands together in applause.
Their ladies bid them clap.
Shak.
3. To come together suddenly with noise.
The doors around me clapped.
Dryden.
4. To enter with alacrity and briskness; — with to or into. “Shall we clap into it roundly, without... saying we are hoarse?” Shak.
5. To talk noisily; to chatter loudly. Chaucer.