stemlet|ˈstɛmlɪt| [f. stem n.1 + -let.] A small stem. 1838Penny Cycl. XII. 240/1 The third joint is short, and gives insertion to two multi-articulate stemlets (tigelles).1900B. D. Jackson Gloss.Bot. Terms 253/1 Stemlet, a small stem, as the plumule.