The word 'and' is a conjunction, a word used to join words and word groups.
Examples:
John and Mary attend college.
Their favorite subjects are history and science.
John majors in history and Mary majors in science.
The school they attend is a community college and near to home.
The part of speech for this particular word is a noun.
part of speech
The part of speech for "answer" is a noun.
adverb
what part of speech is beneath
The part of speech for "unfamiliar" is an adjective.
The part of speech of "came" is a verb.
The part of speech for "twirl" is a verb.
The part of speech for "explicit" is an adjective.
The part of speech for "indefinite" is an adjective.
The part of speech for "lecturer" is a noun.
The part of speech for "breezy" is an adjective.