A flat, distinct, discolored area of skin that is usually less than 1 centimeter wide and does not involve any change in the thickness or texture of the skin.

The dermatologist examined the macule on the patient's arm to determine if it was a sign of a skin condition.

A small spot or blotch of color on a surface such as a leaf, petal, or insect wing.

The botanist recorded several yellow macules scattered across the diseased maple leaves.

maculeverb

To spot, stain, or blemish.

The artist accidentally maculed the canvas with a drop of paint.