ربع

رُبَاعِىٌّ ذ A boy four spans (أَشْبَار) in height. (S and Msb voce خُمَاسِىٌّ, q. v.) It is also applied to a camel, like سُبَاعِىٌّ; [app. meaning Four cubits in height :] fem. with ة. (TA in art. سبع.) ― -b2- [Also A word composed of four letters, radical only, or radical and augmentative. ]