The  —adj. (called the definite article) 1 denoting person(s) or thing(s) already mentioned, under discussion, implied, or familiar (gave the man a wave). 2 describing as unique (the thames). 3 a (foll. By defining adj.) Which is, who are, etc. (edward the seventh). B (foll. By adj. Used absol.) Denoting a class described (from the sublime to the ridiculous). 4 best known or best entitled to the name (with the stressed: do you mean the kipling?). 5 indicating a following defining clause or phrase (the book that you borrowed). 6 a indicating that a singular noun represents a species etc. (the cat is a mammal). B used with a noun which figuratively represents an occupation etc. (went on the stage). C (foll. By the name of a unit) a, per (5p in the pound). —adv. (preceding comparatives in expressions of proportional variation) in or by that (or such a) degree; on that account (the more the merrier; the more he has the more he wants). [old english]