ə̇ˈrō(ˌ)kō noun
( -s )
Etymology: Yoruba i 1 ro 3 ko 1
1. : a very large timber tree ( Chlorophora excelsa ) of tropical western Africa with strong durable streaky lustrous light brown to dark brown wood that is extremely resistant to termite attack and often used as a substitute for teak
2. : the wood of an iroko tree