bonduc

from WordNet (r) 3.0 (2006)

bonduc
    n 1: handsome tree of central and eastern North America having
         large bipinnate leaves and green-white flowers followed by
         large woody brown pods whose seeds are used as a coffee
         substitute [syn: {Kentucky coffee tree}, {bonduc},
         {chicot}, {Gymnocladus dioica}]
    2: tropical tree with large prickly pods of seeds that resemble
       beans and are used for jewelry and rosaries [syn: {bonduc},
       {bonduc tree}, {Caesalpinia bonduc}, {Caesalpinia
       bonducella}]

from The Collaborative International Dictionary of English v.0.48

Bonduc \Bon"duc\ (b[o^]n"d[u^]k), n. [F. bonduc, fr. Ar. bunduq
   hazel nut, filbert nut.] (Bot.)
   See {Nicker tree}.
   [1913 Webster]