مَرْتَبَةٌ
1.
, and its plural مَرَاتِبُ: see رُتْبَةٌ, in six places.
2.
Accord. to As, it signifies A place of observation, which is the summit of a mountain, or the upper part thereof: (S:) according to Kh, (S,) the مَرَاتِب in mountains and in deserts (صَحَارٍ) are [structures such as are termed] أَعْلَام [plural of عَلَمٌ, q. v.,] upon which are stationed (
تُرَبُ) scouts, or spies: (T, S:) or places to which scouts ascend, in, or upon, mountains. (A.)
3.
The plural also signifies Narrow and rugged parts of valleys. (TA from a tradition)
4.
And the singular, Any difficult station or position. (M.)
5.
See also رَتَبٌ, in two places.
6.
[In post-classical works, and in the language of the present day, it is applied to A mattress, upon which to sit or recline or lie; such as is spread upon a couch-frame or upon the ground.]