The Collaborative International Dictionary of English v.0.48:

Chichling \Chich"ling\, Chichling vetch \Chich"ling vetch`\, n.
   [Chich + -ling.] (Bot.)
   A leguminous plant (Lathyrus sativus), with broad flattened
   seeds which are sometimes used for food.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Lathyrus sativus
    n 1: European annual grown for forage; seeds used for food in
         India and for stock elsewhere [syn: grass pea, Indian
         pea, khesari, Lathyrus sativus]