Webster’s Revised Unabridged Dictionary · 1913
Defensible
De·fen′si·ble (·b'l), a. [Cf. F. défensable, LL. defensabilis, defensibilis. See Defense, and cf. Defendable.] 1. Capable of being defended; as, a defensible city, or a defensible cause.
2. Capable of offering defense. [Obs.] Shak.