level space where heavy guns can be mounted behind the parapet at the top of a rampart | the unlimited expanse in which everything is located |
| (printing) a block of type without a raised letter; used for spacing between words or sentences |
| a blank character used to separate successive words in writing or printing |
| a blank area |
| one of the areas between or below or above the lines of a musical staff |
| an area reserved for some particular purpose |
| any location outside the Earth's atmosphere |
| an empty area (usually bounded in some way between things) |
| the interval between two times |