غِلَافٌ

A thing well known; (K, TA;) i. e. a receptacle used as a repository; and a covering, or an envelope, of a thing: (TA:) it is of a sword [i. e. the scabbard, or sheath; and also a case, or covering, enclosing the scabbard, or enclosing the scabbard with its appertenances]; (S, O;) and of a knife and the like [i. e. the sheath]; (Msb;) and of a flask or bottle [i. e. the case thereof]; (S, O;) and [likewise] of a bow; (S, O, K;) and of a camel's saddle (K, TA) and of a horse's saddle, [i. e. a covering] of leather and the like; (TA;) and is such as the enclosing membrane (قَمِيص) of the heart; [غِلَافُ القَلْبِ signifying the pericardium;] and the pellicle (غِرْقِيء) of the egg; and the calyx of a flower; and the [imaginary] سَاهُور [q. v.] of the moon: (TA:) plural غُلُفٌ (O, Msb, K) and غُلْفٌ (K) and غُلَّفٌ. (O, * K.) In the phrase in the Qur'an, 2:82, وَقَالُوا قُلُوبُنَا غُلُفٌ, as some read it, and, according to one reading غُلَّفٌ, the last word means (assumed tropical:) receptacles for knowledge: (O, TA:) but others read غُلْفٌ, which is plural of ↓ أَغْلَفُ; (S, * O, * TA;) meaning (assumed tropical:) covered from hearing and accepting the truth; (TA;) or (assumed tropical:) as though they were covered from that to which thou invitest us. (O.)