Source : Webster's Revised Unabridged Dictionary (1913)

Peckish \Peck"ish\, a.
   Inclined to eat; hungry. [Colloq.] ``When shall I feel
   peckish again?'' --Beaconsfield.

Source : WordNet®

peckish
     adj 1: somewhat hungry
     2: easily irritated or annoyed; "an incorrigibly fractious
        young man"; "not the least nettlesome of his countrymen"
        [syn: {cranky}, {fractious}, {irritable}, {nettlesome}, {peevish},
         {pettish}, {petulant}, {testy}, {tetchy}, {techy}]