Definitions from Wiktionary ( )

▸ noun:  (heading) Unlimited or generalized extent, physical or otherwise.
▸ noun:  Distance between things.
▸ noun:  Physical extent across two or three dimensions (sometimes for or to do something).
▸ noun:  Physical extent in all directions, seen as an attribute of the universe (now usually considered as a part of space-time), or a mathematical model of this.
▸ noun:  The near-vacuum in which planets, stars and other celestial objects are situated; the universe beyond the earth's atmosphere.
▸ noun:  The physical and psychological area one needs within which to live or operate; personal freedom.
▸ noun:  (heading) Of time.
▸ noun:  (now rare, archaic) Free time; leisure, opportunity.
▸ noun:  A specific (specified) period of time.
▸ noun:  An undefined period of time (without qualifier, especially a short period); a while.
▸ noun:  (heading) A bounded or specific extent, physical or otherwise.
▸ noun:  A (chiefly empty) area or volume with set limits or boundaries.
▸ noun:  (music) A position on the staff or stave bounded by lines.
▸ noun:  A gap in text between words, lines etc., or a digital character used to create such a gap.
▸ noun:  (letterpress typography) A piece of metal type used to separate words, cast lower than other type so as not to take ink, especially one that is narrower than one en (compare quad).
▸ noun:  A gap; an empty place.
▸ noun:  (geometry) A set of points, each of which is uniquely specified by a number (the dimensionality) of coordinates.
▸ noun:  (countable, mathematics) A generalized construct or set whose members have some property in common; typically there will be a geometric metaphor allowing these members to be viewed as "points". Often used with a restricting modifier describing the members (e.g. vector space), or indicating the inventor of the construct (e.g. Hilbert space).
▸ noun:  (countable, figuratively) A field, area, or sphere of activity or endeavour.
▸ noun:  Anything analogous to a physical space in which one can interact, such as an online chat room.
▸ verb:  (obsolete, intransitive) To roam, walk, wander.
▸ verb:  (transitive) To set some distance apart.
▸ verb:  To insert or utilise spaces in a written text.
▸ verb:  To space out (become distracted, lose focus).
▸ verb:  (transitive, science fiction) To kill (someone) by ejection into outer space, usually without a space suit.
▸ verb:  (intransitive, science fiction) To travel into and through outer space.
▸ noun:  A surname.

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