طَفْطَفَةٌ

(S, O, K) and طِفْطِفَةٌ, (O, K,) the latter mentioned on the authority of AZ, (O,) The خَاصِرَة [or flank]: (S, O, K:) or any quivering flesh: (Az, O, K: [see شِدْقٌ:]) or the flaccid flesh of the soft parts of the belly; (O, K;) thus the former word is explained by IDrd: (O:) or the extremities of the side, adjoining the ribs: (K:) and said to mean the soft part of the liver; the plural being used by Dhu-r-Rummeh in relation to the liver: (L, TA:) the plural is طَفَاطِفُ. (O, K.)