أَرْمَدُ

Of the colour of رَمَاد [or ashes]; (S, M, K;) [ash-coloured; ashy;] of a dusty colour in which is a duskiness, or dinginess: (S:) [feminine رَمْدَاءُ: and plural رُمْدٌ.] Hence رَمْدَاءُ applied to A female ostrich: (S, K:) [and رُمْدٌ applied to ostriches: (see 9, last sentence:)] and hence also رُمْدٌ applied to gnats (T, S, A, L, K) of a certain species: (T:) and you say نَعَامَةٌ رَمْدَاءُ (M, A) i. e. [an ostrich or a female ostrich,] of an obscure black hue, like the colour of ashes: (M:) and ظَلِيمٌ أَرْمَدُ [a male ostrich of such a colour]: (M:) and نَعَامٌ رُمْدٌ [ostriches of such a colour]: (A:) and ثِيَابٌ رُمْدٌ garments, or pieces of cloth, of a dusty colour in which is a duskiness, or dinginess; from رَمَادٌ. (T.) Lh asserts that the م in this word is a substitute for ب. (M, L. [See أَرْبَدُ.])