مَرْهَمٌ

[A place upon which has fallen rain such as is termed رِهْمَةٌ: plural مَرَاهِمُ: see an example in what follows.

Also] A certain application for wounds; (S;) a soft plaster or dressing, (K, TA,) the softest of medicaments, (TA,) [i. e. an unguent, or the like,] with which a wound is plastered, dressed, overspread, or anointed: (K, TA:) [plural as above:] it is an arabicized word [from the Pers. مَرْهَمْ]: (S:) or derived from الرِّهْمَةُ, [as some say,] because of its softness. (K.) You say, مَرَاهِمُ الغَوَادِى مَرَاهِمُ البَوَادِى [The places watered by the drizzling and lasting rains of the early morning-clouds are the soft plasters, or unguents, of the deserts]. (A, TA.)