D defs.my
Entry 1 sense Webster, 1913

Jihad

/jĭ-hăd'/ · Ji·had · IPA /d͡ʒɪˈhæd/
01 n. A religious war against infidels or Muslim heretics; also, any bitter war or crusade for a principle or belief.
  1. 1.
    A religious war against infidels or Muslim heretics; also, any bitter war or crusade for a principle or belief.(Islam)
    “[Their] courage in war . . . had not, like that of the Muslim dervishes of the Sudan, or of Muslims anywhere engaged in a jehad, a religious motive and the promise of future bliss behind it.” — James Bryce.