مَرْقًى

A place of ascent; as also ↓ مُرْتَقًى; (Msb, TA;) and so ↓ مَرْقَاةٌ and ↓ مِرْقَاةٌ: (Msb:) or ↓ these last two signify a series of steps or stairs; or a ladder; synonym دَرَجَةٌ; (S, K;) and سُلَّمٌ; (M and K in article سلم;) the former of them as being a place of ascent, and the latter of them as being likened to an instrument; (S, Msb;) and both of them are authorized by the M; (TA;) but the latter of them is disallowed by A'Obeyd, and said by him to be not of the language of the Arabs: (Msb, TA:) the plural of ↓ مِرَقَاةٌ [and of مَرْقًى] is مَرَاقٍ. (TA.) You say جَبَلٌ لَا مَرْقَى فِيهِ and ↓ لا مُرْتَقَى (JK, TA) A mountain in which is no place of ascent. (TA.)