Entry 1 sense Webster, 1913 Wenona /wĕn'-ən-ə/ · We·no·na · IPA /wˈɛnənə/ 01 n. A sand snake (Charina plumbea) of Western North America, of the family Erycidae. 1. A sand snake (Charina plumbea) of Western North America, of the family Erycidae.(Zool.)