noun

• (botany) A stalk of an individual flower (or fruit, e.g., once fertilised); a stalk bearing a single flower or spore-producing body within a cluster.
• (mycology) A stalk of a fungus fruiting body.
• (anatomy) A stalk-shaped body part; an anatomical part that resembles a stem or stalk.
• (zoology) A narrow stalk-like body part connecting specific segments in certain insects and some other arthropods.
• A petiole; the connection between the thorax and abdomen of an insect of suborder Apocrita.
• The connection between the cephalothorax and abdomen of a spider.
• The second segment of the antenna of an insect, between the scape and the flagellum.
• (zoology) The segment of an antler that attaches to the head of a cervid.