حقف1 حَقَفَ, aor. ـُ inf.n. حُقُوفٌ, It (a thing) was, or became, curved, bent, or winding. (Msb.) حُقُوفٌ also signifies A gazelle's being in the condition denoted by [the part. n.] حَاقِفٌ in the phrase ظَبْىٌ حَاقِفٌ, which see below. (Ibn-'Abbád, K.) 12 احقوقف, said of sand, and of the هِلَال [or moon when, being near the sun, it shows a narrow rim of light], (S, K,) and of the back, (K,) or of anything, such as the back of a camel, (L,) It was curved, bent, or winding, (S, L, K,) and long. (L, K.) حِقْفٌ A curving, or winding, tract of sand: (S, Mgh, Msb, K:) pl. [of pauc.] أَحْقَافٌ (S, Msb, K) and [of mult.] حِقَافٌ (S, K) and حُقُوفٌ, (O, L, K,) and pl. pl. حَقَائِفُ and حِقَفَةٌ, (K,) the former of these two being pl. of أَحْقَافٌ or of حِقَافٌ, (L, TA,) but the latter of them, accord. to the O, is a pl., not a pl. pl. : (TA:) or a heap, or hill, of sand, that has assumed a bowed form: (IDrd, TA:) or a curving, or winding, thin tract of sand: (Har p. 51:) or a great, round tract of sand: (Ibn-' Arafeh, K:) or an oblong, elevated tract of sand: (Fr, K:) or الأَحْقَافُ applies [particularly] to certain oblong tracts of sand in the region of Esh-Shihr: (K, * TA:) accord. to J, [in the S,] to the country of 'Ád. (TA.) b2:  Also The lower, or lowest, part of a tract of sand, and of a mountain, and of a wall. (O, L, K.) حَاقِفٌ A gazelle [lying] bent together, or curled, (A 'Obeyd, S, Mgh, Msb, K,) like a حِقْف of sand, (Az, Sgh, K,) in his sleep, (A'Obeyd, S, K,) or in consequence of a wound &c.: (Msb:) or lying upon his breast on a حِقْف of sand: (IAar, K:) or, as some say, upon, or at, the lower, or lowest, part of a حِقْف. (Mgh.) أَحْقَفُ A camel lank in the belly. (ISh, K.)