Found 2 items, similar to ra.
English → English (WordNet) Definition: Ra Ra n 1: an intensely radioactive metallic element that occurs in minute amounts in uranium ores [syn: radium, atomic number 88 ] 2: (astronomy) the angular distance eastward along the celestial equator from the vernal equinox to the intersection of the hour circle that passes through the body; expressed in hours and minutes and second; used with declination to specify positions on the celestial sphere; “one hour of right ascension equals fifteen degrees” [syn: right ascension, celestial longitude] 3: ancient hawk-headed Egyptian sun god; a universal creator [syn: Re]
English → English (gcide) Definition: Ra Ra \Ra\ (r[aum]), n. A roe; a deer. [Obs.] --Chaucer. [1913 Webster]