HOUR CIRCLE

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

A great circle on the celestial sphere that passes through both celestial poles

Classified under:

Nouns denoting spatial position

Hypernyms ("hour circle" is a kind of...):

great circle (a circular line on the surface of a sphere formed by intersecting it with a plane passing through the center)

Credits