What does alternative mean?
The definition of alternative
Al*ter”na*tive, a.
Etym: [Cf. F. alternatif.]

1 Offering a choice of two things.
2 Disjunctive; as, an alternative conjunction.
3 Alternate; reciprocal. [Obs.] Holland.

Al*ter”na*tive, n.
Etym: [Cf. F. alternative, LL. alternativa.]

1 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. There is something else than the mere alternative of absolute destruction or unreformed existence. Burke.
2 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. Having to choose between two alternatives, safety and war, you obstinately prefer the worse. Jowett (Thucyd. ).
3 The course of action or the thing offered in place of another. If this demand is refused the alternative is war. Lewis. With no alternative but death. Longfellow.
4 A choice between more than two things; one of several things offered to choose among. My decided preference is for the fourth and last of thalternatives. Gladstone.