usu ˈgrinij in Greenwich, Eng, & in Great Britain as a whole, usually ˈgrenich or ˈgrenēch in Greenwich Village & in NYC as a whole, often in certain other places named Greenwich & usually by speakers unfamiliar with the local pronunc of any place named Greenwich ˈgrēnˌwich; sometimes ˈgrenij or ˈgrenēj or ˈgrinich or ˈgrinēch or ˈgrinēj or ˈgrenˌwich or ˈgrinˌwich noun
Usage: usually capitalized G
Etymology: from Greenwich, England
: the hour angle of a celestial body at the meridian of Greenwich