coleoptile Syllabification: (co·le·op·tile)Pronunciation: /ˌkōlēˈäpˌtīl/Definition of coleoptile noun Botany a sheath protecting a young shoot tip in a grass or cereal. Origin: mid 19th century: from Greek koleon 'sheath' + ptilon 'feather'coleoptile in other Oxford dictionaries Definition of coleoptile in the British & World English dictionary
