الدِّمَاغُ

a word of which the signification is well known; (S, Msb;) [The brain;] the marrow of the head; (K;) or the stuffing of the head: (TA:) or [apparently a mistake for “and” (what is termed)] أُمُّ الهَامِ or أُمُّ الرَّأْسِ or [in one copy of the K “and”] أُمُّ الدِّمَاغِ is a thin skin, like a pouch, in which it is contained: (K:) [these three terms, امّ الهام and امّ الرأس and امّ الدماغ, appear all to signify the meninx; (see أُمٌّ;) but the first and second of them seem to have been mistaken by the author or transcribers of the K for different explanations of الدَّمَاغُ:] the plural [of pauc.] is أَدْمِغَةٌ (S, Msb, K) and [of mult.] دُمُغٌ. (TA.)