Function: noun
Date: 1848
: either of the two points on the celestial sphere around which the diurnal rotation of the stars appears to take place
Function: noun
Date: 1848
: either of the two points on the celestial sphere around which the diurnal rotation of the stars appears to take place
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012