| Main Entry: | catch |
| Part of Speech: | noun |
| Definition: | fastener |
| Synonyms: | bolt, buckle, clamp, clasp, clip, hasp, hook, hook and eye, latch, snap |
| Main Entry: | clasp |
| Part of Speech: | noun |
| Definition: | fastener; hold on something |
| Synonyms: | brooch, buckle, catch, clamp, clench, clinch, clip, clutch, embrace, fastening, fibula, grapple, grasp, grip, hasp, hold, hook, hug, pin, safety pin, snap |
| Main Entry: | hook |
| Part of Speech: | noun |
| Definition: | curved fastener |
| Synonyms: | angle, catch, clasp, crook, curve, grapnel, grapple, hasp, holder, link, lock, peg |
| Main Entry: | hook |
| Part of Speech: | verb |
| Definition: | grab, catch |
| Synonyms: | angle, bag, clasp, crook, curve, enmesh, ensnare, entrap, fasten, fix, hasp, lasso, net, pin, secure, snare, trap |
| Antonyms: | let go, release, unhook, unlatch, unlock |
| Main Entry: | latch |
| Part of Speech: | noun |
| Definition: | lock |
| Synonyms: | bar, bolt, catch, clamp, fastening, hasp, hook, padlock |
| Antonyms: | key |
| Main Entry: | lock |
| Part of Speech: | noun |
| Definition: | device that fastens and bars free passage |
| Synonyms: | bar, bolt, bond, catch, clamp, clasp, clinch, connection, fastening, fixture, grapple, grip, hasp, hook, junction, latch, link, padlock |
| Antonyms: | key |