dĭlemma, ătis, n. (δίλημμα),
a double proposition, a dilemma; in logic, an argument in which an adversary is pinned between two difficulties , Serv. Verg. A. 2, 675, and 10, 449.
·noun An argument which presents an antagonist with two or more alternatives, but is equally conclus...
Webster's Dictionary of the English Language