(anatomy) A fluid-filled space or potential space between the dura mater and the arachnoid mater.

The comprehensive scientific study of extraterrestrial intimacy and sexuality.

One who takes part in space tourism.

To type (or format) text by leaving a blank line between each line of text / To type (or format) text with two spaces between consecutive sentences.

Official nickname for the city of Houston, Texas.

plural of space bear

Synonym of water bear

plural of space force

Alternative form of deep space

(aerospace) Synonym of space elevator / (aerospace) Synonym of skyhook (“tether for launching payloads into space”)