مربع

murabba’(pass. part. of ربّع 'to make four; or four-sided,' etc., ii of ربع 'to become the fourth' (of the three), etc.), adj. Being four in number;—squared; square; four-sided, quadrilateral, quadrangular;—sitting crosslegged (like a tailor);—having a quartan ague;—s.m. A square;—an epigram or song of four verses or four lines, a quatrain:—murabba’baiṭhnā, v.n. To sit cross-legged (syn. ćār-zānūbaiṭhnā):—murabba’karnā, v.t. To square; to make quadrangular.