كدبكَدْبٌ and كَدِبٌ and كَدَبٌ and كُدْبٌ [but the second seems to have been written, in MF's  copy of the K, كِدْبٌ], coll. gen. ns., also with ذ for د, The whiteness [or white marks] on the nails of young persons: n. un. (of each of the above words, TA,) with ة: as also كُدَيْبَاءُ: (K:) but this last, says SM, I have not found in any other lexicon. (TA.) b2:  جَاؤُوا عَلَىقَمِيصِهِ بِدَمٍ كَدِبٍ, [Kur, xii. 18,] so accord. to the reading of Ibn-'Abbás, (K,) and 'Áïsheh, and El-Hasan El-Basree, (TA,) They brought, upon his shirt, blood inclining in colour to white; as though it were blood that had made marks upon the shirt resembling embroidery or the like: (K:) or fresh blood: or, contr. dry blood: or blood of a dingy hue: or blood changed [in colour]. (TA.) مَكْدُوبَةٌ A woman of a pure white complexion. (IAar, K.)