an imaginary line around the Earth forming the great circle that is equidistant from the north and south poles; "the equator is the boundary between the northern and southern hemispheres"
a circle dividing a sphere or other surface into two usually equal and symmetrical parts
status established in order of importance or urgency; "...its precedence as the world's leading manufacturer of pharmaceuticals"; "national independence takes priority over class struggle"
the quality of excelling; possessing good qualities in high degree
an outstanding feature; something in which something or someone excels; "a center of manufacturing excellence"; "the use of herbs is one of the excellencies of French cuisine"