sheldrakeWiktionary 原文英美词源链中古英语Middle English约 1150–1500 年sheld-‘parti-colored’↓ 派生英语Englishsheldrake词源说明From Middle English sheld- (“parti-colored”) (akin to Middle Dutch shillede) + drake (“male duck”).释义名词noun1An Old World duck of the genus Tadorna (shelducks).2A merganser.3The call sign for an artillery officer.