| Main Entry: | |
| Part of Speech: | noun |
| Definition: | concealed stratagem |
| Synonyms: | decoy, subversive device |
| Main Entry: | fifth column |
| Part of Speech: | noun |
| Definition: | secret or subversive group |
| Synonyms: | Trojan horse, collaborators, collaborators of enemy, infiltrators, saboteurs, subversives, underground |