Definition of legend for English Language Learners. : 1  a story from the past that is believed by many people but cannot be proved to be true. : 2  a famous or important person who is known for doing something extremely well. : 3  a list that explains the symbols on a map.
glaÂ·cis. n. pl. glacis. 1. a. A gentle slope; an incline. b. A slope extending down from a fortification.
A Schatzki ring or SchatzkiâGary ring is a narrowing of the lower esophagus that can cause difficulty swallowing (dysphagia).The narrowing is caused by a ring of mucosal tissue (which lines the esophagus) or muscular tissue. Schatzki ring is usually diagnosed by esophagogastroduodenoscopy or barium swallow. Endoscopy usually shows a ring within the lumen of the esophagus which can be of variable size (see picture).