RATL, RITL. رطل
(1) A certain thing which one weighs. A weight or measure. (See the The Mughrib of al-Mutarrizi in loco. (2) That which is chaste. (See the Tuju ‘l-’Arus, in loco).
(1) According to the standard of Baghdad, a weight of 12 ounces, and as a measure of capacity, a pint. (Lane’s Arabic Dictionary.) Muhammad used to give a ratl of silver as a marriage present, which has given rise to the expression, As-sunnatu fi ‘n-nikahi ritlun السنة في النكاح رطل., Professor Wilson says that at Bombay the rotal is equal to 36 Surat rupees, and in the Red Sea the rottolo, as it is corruptly called, varies from 10 to 20 ounces avoirdupois.
(2) A boy not having arrived at puberty.
(3) An aged man.
Based on Hughes, Dictionary of Islam