| Sea cells |
| Liner cans |
| Two-masters |
| Naval jails |
| Guardhouses |
| Naval coolers |
| Naval prisons |
| Naval lockups |
| Military cells |
| Seagoing cells |
| Ships' lockups |
| Naval slammers |
| Water coolers? |
| Slammers at sea |
| Navy guardhouses |
| Jails for sailors |
| Cells for sailors |
| Two-masted vessels |
| Lockups in the Navy |
| Square-rigged ships |
| Some penal institutions |
| Spots for Navy offenders |
| Square-riggers, for short |
| Places for drunken sailors |