Dictionary entry overview: What does morello mean? 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.
venation - (botany) the arrangement of veins in a leaf. phytology, botany - the branch of biology that studies plants. arrangement - an orderly grouping (of things or persons) considered as a unit; the result of arranging; a flower arrangement.
Quick Answer. Parallel venation refers to a pattern in the veins of a leaf where the secondary veins run parallel to each other off of a central, perpendicular primary vein. Parallel venation is also sometimes used to describe a similar pattern on an insect's wing. Venation is a general term for the pattern of veins on a leaf.