دِرْهَمٌ مُفْرَغٌ
1.
A dirhem [cast, i. e.] poured into a mould; not
مَضْرُوب [coined or minted]. (TA.) And حَلْقَةٌ مُفْرَغَةٌ
A ring that is solid (S, O, K, TA) in the sides [that compose the round], (S, O,) and [continuous,] not cut. (TA.) One says, هُمْ
كَالْحَلْقَةِ المُفْرَغَةِ لَا يُدْرَى أَيْنَ طَرَفَاهَا [They are like the solid and continuous ring, of which it is not known where are the two ends]: (A, TA:) a prov., applied to a company of men united in words and action. (TA in article حلق.)
2.