(1):

(a.) Offering a choice of two things.

(2):

(a.) Disjunctive; as, an alternative conjunction.

(3):

(n.) An offer of two things, one of which may be chosen, but not both; a choice between two things, so that if one is taken, the other must be left.

(4):

(n.) Either of two things or propositions offered to one's choice. Thus when two things offer a choice of one only, the two things are called alternatives.

(5):

(a.) Alternate; reciprocal.

(6):

(n.) The course of action or the thing offered in place of another.

(7):

(n.) A choice between more than two things; one of several things offered to choose among.