أَرَقُّ
1.
[compar. and superl. of رَقِيقٌ; i. e. More, and most, thin, &c.]. رُقَّى, [its feminine,] applied to a piece of fat (شَحْمَةٌ), means مِنْ أَرَقِّ الشَّحْمِ; [i. e. Of the finest, or most delicate, sort of fat; (in the CK, erroneously, مِنْ أَرَقَّ الشَّحْمُ;)] (JK, K, TA;) such that no one comes upon it without his eating it. (JK, TA.) Hence the prov., وَجَدْتَنِى الشَّحْمَةَ الرُّقَّى عَلَيْهَا المَأْتَى [Thou hast found me to be the finest, or most delicate, piece of fat, to which there is a way of access]: said by a man to his companion when he esteems him weak. (JK, Sgh, K.) [See also شَحْمُهُ الرُّكَّى, or شَحْمَةُ الرُّكَّى, in article رك.]
2.
هُمْ أَرَقُّ قُلُوبًا (assumed tropical:) They are more, or most, tender-hearted; and more, or most, inclined to accept admonition. (TA.)