Definition that contains upper surface
- ceiling the overhead upper surface of a covered space
- palate the upper surface of the mouth that separates the oral and nasal cavities
- dorsal belonging to or on or near the back or upper surface of an animal or organ or part
- spoiler a hinged airfoil on the upper surface of an aircraft wing that is raised to reduce lift and increase drag
- meniscus (physics) the curved upper surface of a nonturbulent liquid in a vertical tube
- flat-top having a flat or flattened upper surface
- discina macrospora a discina with a flat or saucer-shaped fertile body that is brown on the upper surface; has a short stalk; not recommended for eating
- epispadias a congenital abnormality in males in which the urethra is on the upper surface of the penis
- flat-topped having a flat or flattened upper surface
- genus lycaena type genus of the Lycaenidae; small slender butterflies with upper surface of wings usually metallic blue or green or copper