Physical extent across two or three dimensions; area, volume (sometimes for or to do something). [from 14th c.]
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. [from 17th c.]
The near-vacuum in which planets, stars and other celestial objects are situated; the universe beyond the earth's atmosphere. [from 17th c.]
The physical and psychological area one needs within which to live or operate; personalfreedom. [from 20th c.]
(heading) A bounded or specific physical extent.
A (chiefly empty) area or volume with set limits or boundaries. [from 14th c.]
(music) A position on the staff or stave bounded by lines. [from 15th c.]
A gap in text between words, lines etc., or a digital character used to create such a gap. [from 16th c.]
(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). [from 17th c.]
(mathematics) A generalizedconstruct 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). [from 20th c.]
(countable, figuratively) A marketplace for goods or services.
