iroko
noun /ɪˈrəʊkəʊ/
  /ɪˈrəʊkəʊ/
(plural irokos)
- [countable, uncountable] a tall tree found in tropical West Africa that lives for many years. Some people believe that creatures with magic powers live in irokos.
 - [uncountable] the wood from this tree, which is hard and used especially for outdoor building work