The Great Plains, the Midwest, the Mississippi Valley and the southern United States are all areas that are vulnerable to tornadoes. They are relatively rare west of the Rockies and are also less frequent in the northeastern states. Tornado Alley is a colloquial term for an area particularly prone to tornadoes.
GCIDE(0.00 / 0 votes)Rate this definition: 1  Limpid(a.) Clear and unambiguous; lucid; easy to understand; -- of speech and writing; as, limpid prose. 2  Limpid(a.) Calm, untroubled, and without worry; serene.
lambdoid. adj. 1. having the shape of the Greek letter lambda.2. (Anatomy) of or denoting the suture near the back of the skull between the occipital and parietal bones.[C16: via French from Greek lambdoeidÄs ].linical isolates of Shiga toxin 1a--producing Shigella flexneri with ... by Gray, Miranda D.; Lampel, Keith A.; Strockbine, Nancy A.; Fernandez, Reinaldo E.; Melton-Celsa, Ange / Emerging Infectious Diseases.