
binary star with an orbital plane oriented so that one star passes in front of the other, thus completely or partially blocking the light from the other star during each orbital period.
Found on
http://planetfacts.org/space-terms/

Simulated light curve from an eclipsing binary. Image credit: ESA A binary star system in which the components periodically pass in front of one another as seen from Earth. When this happens the total light received from the system is reduced. The primary minimum occurs when the component with...
Found on
http://www.daviddarling.info/encyclopedia/E/eclipbin.html

A binary system where one object passes in front of the other, cutting off some or all of its light.
Found on
http://www.seasky.org/astronomy/astronomy-glossary.html

Binary (double) star in which the two stars periodically pass in front of each other as seen from Earth. When one star crosses in front of the other the total light received on Earth from the two stars declines. The first eclipsing binary to be noticed was Algol
Found on
https://www.encyclo.co.uk/local/21221
No exact match found.