The Collaborative International Dictionary of English v.0.48:

Coco \Co"co\ (k[=o]"k[-o]), n. or Coco palm \Co"co palm\
   (k[=o]"k[-o] p[aum]m`).
   See Cocoa.
   [1913 Webster] Cocoa

WordNet (r) 3.0 (2006):

coco palm
    n 1: tall palm tree bearing coconuts as fruits; widely planted
         throughout the tropics [syn: coconut, coconut palm,
         coco palm, coco, cocoa palm, coconut tree, Cocos
         nucifera]