HyperDic: date_line

English > 1 sense of the expression *date line*:
NOUN	location	date line, dateline, International Date Line	an imaginary line on the surface of the earth following (approximately) the 180th meridian

English > *date line*: 1 sense > noun 1, location
Meaning	An imaginary line on the surface of the earth following (approximately) the 180th meridian.
Synonyms	dateline, International Date Line
Instance of	meridian, line of longitude	An imaginary great circle on the surface of the earth passing through the north and south poles at right angles to the equator