[1] : The Collaborative International Dictionary of English v.0.48

kola \ko"la\, kola nut \kola nut\ .
   same as cola, cola nut.
   webster 1913 suppl.
see also:
cola cola nut 

[2] : WordNet (r) 2.0

kola nut
     n 1: bitter brown seed containing caffein; source of cola extract
          syn: cola nut
     2: tree bearing large brown nuts containing e.g. caffeine;
        source of cola extract syn: kola, kola nut tree, goora
        nut, cola acuminata
see also:
cola nut kola kola nut tree goora nut cola acuminata 

Cola Nut >> C Words
Cola Nut, definition of term: Cola Nut
cola+nut_pag1.html

Cashew Nut >> C Words
Cashew Nut, definition of term: Cashew Nut
cashew+nut_pag1.html

Brazil Nut >> B Words
Brazil Nut, definition of term: Brazil Nut
brazil+nut_pag1.html

Betel Nut >> B Words
Betel Nut, definition of term: Betel Nut
betel+nut_pag1.html

Bolt And Nut >> B Words
Bolt And Nut, definition of term: Bolt And Nut
bolt+and+nut_pag1.html