a close-fitting jacket for wear by soldiers in the field.
noun, South Midland and Southern U.S. 1. .
noun 1. a European plant, Consolida regalis, of the buttercup family, having sparse clusters of blue or violet-colored flowers and smooth fruit.
- Field layer
noun 1. See layer (sense 2)
noun, Optics. 1. the lens in an eyepiece that is farthest from the eye and that deviates rays toward the center of the eye lens.