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.
Glycosaminoglycans (GAGâs) are polysaccharides, also called amino sugars (a sugar linked with a protein). Together with water, they create a fluid that fills the space between the collagen and elastin fibers in the dermis, giving it turgidity. This gel-like fluid is called the ground substance.