1. made a sharp, hard sound by striking together
Usage: past tense of clack
2. talked rapidly and continuously
Usage: informal; past tense of clack

Examples

• The typewriter keys clacked loudly as she typed the letter.
• Her high heels clacked against the marble floor.
• The wooden blocks clacked together when the children played with them.
• The train wheels clacked rhythmically on the tracks.
• She clacked away about her vacation for an hour.
• The castanets clacked in time with the music.