a common, grayish squirrel, Sciurus carolinensis, of eastern North America.
- Gray substance
gray substance n. See gray matter.
- Gray syndrome
gray syndrome or gray-baby syndrome n. A potentially fatal syndrome of infants caused by transplacental effects of chloramphenicol administered to the mother and resulting in the infant’s gray appearance at birth and during the neonatal period. Also called gray-baby syndrome.
noun 1. a common weakfish, Cynoscion regalis, inhabiting Atlantic and Gulf coastal waters of the U.S.
noun 1. a smooth, urn-shaped edible mushroom, Urnula craterium, commonly found in North America on fallen hardwood.