Source : Webster's Revised Unabridged Dictionary (1913)

Hunger \Hun"ger\, n. [AS. hungor; akin to OFries. hunger, D.
   honger, OS. & OHG. hungar, G. hunger, Icel. hungr, Sw. & Dan.
   hunger, Goth. h?hrus hunger, huggrjan to hunger.]
   1. An uneasy sensation occasioned normally by the want of
      food; a craving or desire for food.

   Note: The sensation of hunger is usually referred to the
         stomach, but is probably dependent on excitation of the
         sensory nerves, both of the stomach and intestines, and
         perhaps also on indirect impressions from other organs,
         more or less exhausted from lack of nutriment.

   2. Any strong eager desire.

            O sacred hunger of ambitious minds!   --Spenser.

            For hunger of my gold I die.          --Dryden.

Hunger \Hun"ger\, v. i. [imp. & p. p. {Hungered}; p. pr. & vb.
   n. {Hungering}.] [OE. hungren, AS. hyngrian. See {Hunger},
   n.]
   1. To feel the craving or uneasiness occasioned by want of
      food; to be oppressed by hunger.

   2. To have an eager desire; to long.

            Blessed are they which do hunger and thirst after
            righteouness.                         --Matt. v. 6.

Hunger \Hun"ger\, v. t.
   To make hungry; to famish.

Source : WordNet®

hunger
     n 1: a physiological need for food; the consequence of foood
          deprivation [syn: {hungriness}]
     2: strong desire for something (not food or drink); "a thirst
        for knowledge"; "hunger for affection" [syn: {thirst}]

hunger
     v 1: feel the need to eat
     2: have a craving, appetite, or great desire for [syn: {crave},
         {thirst}, {starve}, {lust}]
     3: be hungry; go without food; "Let's eat--I'm starving!" [syn:
         {starve}, {famish}] [ant: {be full}]