a special use of grand (adj.) in genealogical compounds, originally with the sense of "a generation older than," first attested c. 1200, in Anglo-French graund dame "grandmother," [..]

"thousand dollars," 1915, American English underworld slang, from grand (adj.).

late 14c., grant "large, big" (early 12c. in surnames), from Anglo-French graunt and directly from Old French grant, grand (10c., Modern French grand) "large, tall; grown-up; great, pow [..]

important; large; splendid

Definition adjective

Adj. Excellent, lovely. {Informal} Noun. A thousand pounds sterling. Orig. U.S. term for one thousand dollars.

of, relating to, or being a crime involving the theft of money or property valued at over a set amount [convicted of embezzlement] see also grand larceny at larceny grand theft at theft compare ...

Columbia’s trade name for the five-inch diameter cylinder and the various Columbia machines designed to play it.

(adj) of or befitting a lord(adj) rich and superior in quality(adj) extraordinarily good or great ; used especially as intensifiers(adj) of high moral or intellectual value; elevated in nature or styl [..]

Le Grand Corneille. Corneille, the French dramatist (1606–1684).

vere Mrs. Frances E. MacFall. “Ideala” (1888); “A Domestic Experiment” (1891); “Singularly Deluded” (1893); “The Heavenly Twins” [..]

£1,000.

This is £1,000 GBP (also known as a 'Big 'Un').

$1000

thousand dollars

£1,000 GBP  (also known as a "big 'un")

Of a large size or extent; great ''a grand mountain'' ''a grand army'' ''a grand mistake'' Great in size, and fine or imposing in appearance or impression; illustrious, dignified, magnificen [..]

prefix indicating something large or great ''Judy was sitting in the grandstand.'' prefix indicating a generation removed from the original noun ''Seth is Amal's grandfather.''

A commune in France ----