| Main Entry: | tack |
| Part of Speech: | noun |
| Definition: | short pin for attaching |
Synonyms: |
brad, nail, point, pushpin, staple, thumbtack |
| Main Entry: | push pin |
| Part of Speech: | noun |
| Definition: | tack with cylinder head |
Synonyms: |
drawing pin, fastener, tack, thumb tack, thumbtack |