petiole

詳細解釋：

pet.i.ole

n.（名詞）
Botany The stalk by which a leaf is attached to a stem.Also called leafstalk
【植物學】 葉柄：葉子賴以生長的附在主莖上的葉柄也作 leafstalk
Zoology A slender, stalklike part, as that connecting the thorax and abdomen in certain insects.
【動物學】 柄，腹柄：一種細長的莖狀部位，如在某些昆蟲中連線胸部和腹部的物體

來源：
Latin petiolus
拉丁語 petiolus
variant of peciolus [little foot, fruit stalk]
peciolus的變體 [小腳，果柄]
probably from *pediciolus [diminutive of] pediculus * see pedicel
可能源自 *pediciolus [] pediculus的小後綴 *參見 pedicel

【引伸】
pet.ioled.
adj.（形容詞）