leaf spot

noun

Plant Pathology.

1. a limited, often circular, discolored, diseased area on a leaf, usually including a central region of necrosis.

2. any disease so characterized.

leaf spot

noun

1. any of various plant diseases, usually caused by fungi: characterized by dark lesions on the leaves

leaf spot

1. Any of various plant diseases resulting in well-defined necrotic areas on the leaves.

Word History and Origins

Origin of leaf spot¹

First recorded in 1900–05