pinnuleWiktionary 原文英美词源链拉丁语Latin约前 75–公元 3 世纪pinnula↓ 派生英语Englishpinnule词源说明From Latin pinnula.释义名词noun1(botany) Any of the ultimate leaflets of a bipinnate or tripinnate leaf; a subleaflet.2(zoology) A part or an organ which resembles the barb of a feather, particularly the side branches on the stalks of crinoids; Any of the lateral divisions of the finger-like stalks