circle of latitude(redirected from Circles of latitude)
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Related to Circles of latitude: circle of longitude
circle of latitude[′sər·kəl əv ′lad·ə‚tüd]
A great circle of the celestial sphere passing through the ecliptic poles, and hence perpendicular to the plane of the ecliptic. Also known as parallel of latitude.
A meridian of the terrestrial sphere along which latitude is measured.
circle of latitude
i. A great circle of the celestial sphere through the ecliptic poles and, hence, perpendicular to the plane of the ecliptic.
ii. A meridian along which latitude is measured.