فرسن

الفِرْسِنُ ذ , of the camel, is What corresponds to the حَافِر [or hoof ] of the horse or a similar beast: (S, K:) or the part which is below the رُسْغ [or pastern ] and in which are the bones called سُلَامَى [q. v.]: and sometimes it is (tropical:) of the sheep or goat: it is of the fem. gender: and the pl. is فَرَاسِنُ: (TA:) accord. to Ibn-Es-Sarráj, the ن is augmentative, because it is from فَرَسْتُ, (S, TA,) and [therefore] it has been mentioned before [in art. فرس, in which see more]. (S.)