What is another word for midrib?
Pronunciation: [mˈɪdɹɪb] (IPA) 
The midrib is the central vein of a leaf that provides structure and support. However, there are several synonyms for midrib that you may also encounter. These include the namesake of the vein itself, such as the main vein, primary vein, or central vein. Other potential terms may include the rachis or costa, depending on the specific type of leaf. Some additional synonyms for midrib may include the midvein, mesial vein, or median vein, all of which again refer to the same central vein that runs through the leaf. Understanding these various synonyms can help you better identify and describe the different parts of a leaf when studying plant biology.
