and
1 of 2conjunction
ən(d),
(ˈ)an(d) 
usually ᵊn(d),
after t,
d ,
s ,
or z;
often ᵊm,
after p,
or b;
sometimes ᵊŋ,
after k,
or g
1
—used as a function word to indicate connection or addition especially 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 (such as go, come, try) to another so that together they are logically equivalent to an infinitive of purpose
come and see me
3
obsolete : if
4
—used in logic to form a conjunction
AND
2 of 2noun
ˈand
: 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
Phrases
and so forth \\ ən-ˈsō-ˌfȯrth 
\\ 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
, -ˌän \\ : and so forth
Example Sentences
Conjunction 2 and 2 equals 4.
Word History
Etymology
Conjunction
Middle English, from Old English; akin to Old High German unti and
First Known Use
Conjunction
before the 12th century, in the meaning defined at sense 1
Noun
1946, in the meaning defined above
Kids Definition
and
conjunction ən(d)
(ˈ)an(d)
1
: added to
2 and 2 make 4
2
: as well as —used to join words or word groups
ice cream and cakestrong and healthy
swerved and avoided an accident