An angle, one sixtieth (1/60th) of a minute of arc or one 3600th of a degree.

An electric arc arranged so as to produce useful light.

public opinion in Arab countries

(astrology) the path followed by a planet, point, or degree from its rising point to its setting point.

(US) The national day of observance of the need to protect trees, celebrated by planting a tree.

The dialect of Modern Arabic spoken in Egypt. Egyptian Arabic is a dialect continuum.

Spanish arbor vine, a species of bindweed (Convolvulaceae), Merremia tuberosa.

Synonym of Old Latin

plural of arch dell

(chiefly US) Alternative spelling of archaeologist