From WordNet (r) 2.0 (August 2003) [wn]:
OR
n 1: a state in northwestern United States on the Pacific [syn:
Oregon, Beaver State, OR]
2: a room in a hospital equipped for the performance of
surgical operations; "great care is taken to keep the
operating rooms aseptic" [syn: operating room, OR,
operating theater, operating theatre, surgery]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Or \Or\ ([^o]r), conj. [OE. or, outher, other, auther, either,
or, AS. [=a]w[eth]er, contr. from [=a]hwae[eth]er; [=a] aye +
hwae[eth]er whether. See Aye, and Whether, and cf.
Either.]
A particle that marks an alternative; as, you may read or may
write, -- that is, you may do one of the things at your
pleasure, but not both. It corresponds to either. You may
ride either to London or to Windsor. It often connects a
series of words or propositions, presenting a choice of
either; as, he may study law, or medicine, or divinity, or he
may enter into trade.
[1913 Webster]
If man's convenience, health,
Or safety interfere, his rights and claims
Are paramount. --Cowper.
[1913 Webster]
Note: Or may be used to join as alternatives terms expressing
unlike things or ideas (as, is the orange sour or
sweet?), or different terms expressing the same thing
or idea; as, this is a sphere, or globe.
[1913 Webster]
Note: Or sometimes begins a sentence. In this case it
expresses an alternative or subjoins a clause differing
from the foregoing. "Or what man is there of you, who,
if his son shall ask him for a loaf, will give him a
stone?" --Matt. vii. 9 (Rev. Ver.).
[1913 Webster] Or for either is archaic or poetic.
[1913 Webster]
Maugre thine heed, thou must for indigence
Or steal, or beg, or borrow thy dispence.
--Chaucer.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
-or \-or\ suff. [L. -or: cf. OF. -or, -ur, -our, F. -eur.]
1. A noun suffix denoting an act; a state or quality; as in
error, fervor, pallor, candor, etc.
[1913 Webster]
2. A noun suffix denoting an agent or doer; as in auditor,
one who hears; donor, one who gives; obligor, elevator. It
is correlative to -ee. In general -or is appended to words
of Latin, and -er to those of English, origin. See -er.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Or \Or\, prep. & adv. [AS. ?r ere, before. [root]204. See Ere,
prep. & adv.]
Ere; before; sooner than. [Obs.]
[1913 Webster]
But natheless, while I have time and space,
Or that I forther in this tale pace. --Chaucer.
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Or ever, Or ere. See under Ever, and Ere.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Or \Or\, n. [F., fr. L. aurum gold. Cf. Aureate.] (Her.)
Yellow or gold color, -- represented in drawing or engraving
by small dots.
[1913 Webster]
From The Free On-line Dictionary of Computing (19 Sep 2003) [foldoc]:
OR
<logic> The Boolean function which is true if any of its
arguments are true. Its truth table is:
A | B | A OR B
--+---+---------
F | F | F
F | T | T
T | F | T
T | T | T
(1996-11-04)