رَمْلٌ

[Sand;] a kind of dust or earth, (M,) well known: (Lth, T, M, Msb, K:) ↓ رَمْلَةٌ is its n. un.; (M, K;) a more special term than the former; (S;) signifying a piece, or portion, [or tract, or collection,] thereof: (Lth, T, TA:) [and the former word is also sometimes used as meaning a tract, or collection, of sand:] the plural [of mult.] is رَمَالٌ (Lth, T, S, M, Msb, K) and [of pauc.] أَرْمُلٌ; (M, K;) [and أَرَمِلُ is used as a plural plural, i. e. plural of أَرْمُلٌ; occurring in a verse cited in the TA, article هج.]

[Hence,] أُمُّ رِمَالٍ a name of The hyena. (ISk, S.)

[Hence also,] الرَّمْلُ, (TA in this article, [in the Lexicons of Golius and Freytag, erroneously, رَمَلٌ,]) or عِلْمُ الرَّمْلِ, i. q. عِلْمُ الخَطِّ, (IAar, TA in article خط,) [Geomancy,] a certain well-known science. (TA in the present article [See a description of it voce خَطَّ.])