Noun: almacantar ,al-mu'kan-tu(r)
- (astronomy) a circle on the sky parallel to the horizon
"The astronomer used almacantars to measure the altitude of celestial objects";
- almucantar
- An instrument for observing the heavenly bodies as they cross a given almucantar circle
"The ancient observatory contained a well-preserved almacantar";
- almucantar
Derived forms: almacantars
Encyclopedia: Almacantar