See also: bi-serrate English Alternative forms bi-serrate Etymology Etymology treeProto-Indo-European *dwóh₁Proto-Indo-European *dwi-Proto-Italic *dwi-Latin bi-bor.English bi-English serrateEnglish biserrateFrom bi- + serrate. Adjective biserrate (not comparable) (botany, of leaves) Having serrations that are themselves serrate. Anagrams breastier