[and] conj [ME, fr. OE; akin to OHG unti and] (bef. 12c) 1--used as a function word to indicate connection or addition esp. of items within the same class or type--used to join sentence elements of the same grammatical rank or function
2. a--used as a function word to express logical modification, consequence, antithesis, or supplementary explanation b--used as a function word to join one finite verb (as go, come, try) to another so that together they are logically equivalent to an infinitive of purpose "come ~ see me" 3 obs: if 4--used in logic to form a conjunction -- and so forth 1: and others or more of the same or similar kind
2: further in the same or similar manner
3: and the rest
4: and other things -- and so on : and so forth AND n (1949): a logical operator that requires both of two inputs to be present or two conditions to be met for an output to be made or a statement to be executed