دُكٌّ
1.
A low mountain: (S, K:) or an elevated, or overlooking, hill of mould, or clay, in which is somewhat of ruggedness: (As, TA:) plural دِكَكَةٌ; (As, S, K;) and دِكَكٌ [apparently another, though irregular, plural of the same,] is said to signify قِيرَان [i. e. small isolated mountains, or knolls of mountains, &c., (see قَارَةٌ,)] breaking, or crumbling, down: or disintegrated [hills, or mountains, such as are called] هِضَاب. (TA.)
2.
[See also أَدَكُّ, of which it is a plural]
3.
Also Strong and bulky. (Ibn-'Abbád, K.)