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.
Double glazing is an investment of money, and a very good one at that. You can calculate an approximate Return On Investment (ROI). Calculate how much you receive in savings as a percentage of the extra you paid. If your cost was $5,000, and your savings were $ 1,000 per year, your ROI would be 20%. Yes, that ROI would be way better than any other investment you could make.