1. the mechanism of a clock or similar device with springs and gears
2. something that operates with mechanical precision and regularity
Usage: often used in the phrase ‘like clockwork’

Examples

• The antique clock’s clockwork needed repair.
• He wound up the toy’s clockwork mechanism.
• The train arrived like clockwork every morning at 8:15.
• Her daily routine ran like clockwork.
• The clockwork inside the music box was delicate.
• The meeting schedule worked like clockwork.
• The intricate clockwork fascinated the watchmaker.