| slot(noun, space, hollow, cavity) |
| small compartment(noun, expression, space, box, hollow) |
| socket(noun, space, box, hollow, room) |
| source of income(noun, expression, idiom, fortification, cell) |
| space(noun, hollow, cavity) |
| starting taper(expression, idiom) |
| statesville(noun, fortification, cell, stronghold, presidio) |
| stronghold(noun, fortification, cell, presidio, sustainment) |
| student residence(expression, idiom) |
| subsistence(noun, fortification, cell, stronghold, presidio) |
| support(noun, fortification, cell, stronghold, presidio) |
| sustainment(noun, fortification, cell, stronghold, presidio) |
| sustenance(noun, fortification, cell, stronghold, presidio) |
| sustentation(noun, fortification, cell, stronghold, presidio) |
| sustention(noun, fortification, cell, stronghold, presidio) |
| take out(noun, expression, fortification, cell, stronghold) |
| third house(expression, idiom) |
| up the river(noun, expression, idiom, fortification, cell) |
| upkeep(noun, fortification, cell, stronghold, presidio) |
| vestibular |