â¢ MORELLO (noun) The noun MORELLO has 2 senses: 1. any of several cultivated sour cherry trees bearing fruit with dark skin and juice. 2. cultivated sour cherry with dark-colored skin and juice. Familiarity information: MORELLO used as a noun is rare.
Petiole. In botany, the petiole is the stalk attaching the leaf blade to the stem. The petiole is the transition between the stem and the leaf blade, and usually has the same internal structure as the stem. Outgrowths appearing on each side of the petiole are called stipules.
Definition of LEAF for Kids. 1. : one of the usually flat green parts that grow from a plant stem and that functions mainly in making food by photosynthesis. 2. 3. : a single sheet of a book containing a page on each side.4.: a part that can be added to or removed from a table top. â leafÂ·less \ËlÄf-lÉs\ adjective. one of the flat and typically green parts of a plant that grow from a stem or twig. : a sheet of paper in a book. : a part that can be added to or removed from a table to change the size of its top surface.