petiole

n. 叶柄, 梗, 柄部
【医】 柄, 茎

形容词:petioled 

pet.i.ole

n.（名词）
Botany The stalk by which a leaf is attached to a stem.Also called leafstalk
【植物学】 叶柄：叶子赖以生长的附在主茎上的叶柄也作 leafstalk
Zoology A slender, stalklike part, as that connecting the thorax and abdomen in certain insects.
【动物学】 柄，腹柄：一种细长的茎状部位，如在某些昆虫中连接胸部和腹部的物体

来源：
Latin petiolus
拉丁语 petiolus
variant of peciolus [little foot, fruit stalk]
peciolus的变体 [小脚，果柄]
probably from *pediciolus [diminutive of] pediculus * see pedicel
可能源自 *pediciolus [] pediculus的小后缀 *参见 pedicel

【引伸】
pet.ioled.
adj.（形容词）