(the region near) an imaginary line around the Earth, or drawn on maps, at an equal distance from the north and south poles
globe, ball; semi-circular area
Cases of word usage
1) the distance north or south of the equator measured in degrees (latitude)
2) either time (summer solstice, the longest day, about 21 June; winter solstice, the shortest day, about 21 December in the northern parts of the world) when the sun is farthest North or South of the equator (solstice)
