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Meaning of AND

Pronunciation:  and

Webster's 1913 Dictionary
\And\, conj. [AS. and; akin to OS. endi, Icel. enda, OHG.
anti, enti, inti, unti, G. und, D. en, OD. ende. Cf, {An} if,
1. A particle which expresses the relation of connection or
   addition. It is used to conjoin a word with a word, a
   clause with a clause, or a sentence with a sentence.

Note: (a) It is sometimes used emphatically; as, ``there are
      women and women,'' that is, two very different sorts of
      women. (b) By a rhetorical figure, notions, one of
      which is modificatory of the other, are connected by
      and; as, ``the tediousness and process of my travel,''
      that is, the tedious process, etc.; ``thy fair and
      outward character,'' that is, thy outwardly fair
      character, --Schmidt's Shak. Lex.

2. In order to; -- used instead of the infinitival to,
   especially after try, come, go.

         At least to try and teach the erring soul. --Milton.

3. It is sometimes, in old songs, a mere expletive.

         When that I was and a little tiny boy. --Shak.

4. If; though. See {An}, conj. [Obs.] --Chaucer.

         As they will set an house on fire, and it were but
         to roast their eggs.                  --Bacon.

{And so forth}, and others; and the rest; and similar things;
   and other things or ingredients. The abbreviation, etc.
   (et cetera), or &c., is usually read and so forth.

Computing Dictionary

(Or "conjunction") The boolean function which is true only if all its arguments are true. The truth table for the two argument AND function is:

 A | B | A AND B
 F | F |    F
 F | T |    F
 T | F |    F
 T | T |    T

AND is often written as an inverted "V" in texts on logic. In the c programming language it is represented by the && (logical and) operator.