غلق

غَلَقٌ ذ [ A lock; ] a thing by means of which a door is made fast, (S, * O, * Msb, K, *) not to be opened save with a key; (S and K voce مِزْلَاجٌ;) a thing that is closed and opened with a key; (Mgh;) pl. أَغْلَاقٌ, (Sb, Msb, TA,) its only pl.: (Sb, TA:) and ↓ مِغْلَاقٌ is syn. therewith; (S, Mgh, O, Msb, K;) pl. مَغَالِيقُ: (Msb:) so too is ↓ مِغْلَقٌ: (Msb, TA:) and so ↓ مُغْلُوقٌ: (S, O, K:) and so ↓ غَلَاقٌ. (TA.) El-Farezdak has used its pl. metaphorically, [in a sense sufficiently obvious,] saying, فَبِتْنَ بِجَانِبَىَّ مُصَرَّعَاتٍ وَبِتُّ أَفُضُّ أَغْلَاقَ الخِتَامِ meaning خِتَامَ الأَغْلَاقِ, the phrase being inverted by him. (TA.) ― -b2- Also i. q. رِتَاجٌ, meaning A great door: whence the phrase مَفَاتِيحُ أَغْلَاقِهَا, by which are meant [ the keys of ] the [ great ] doors thereof. (Mgh.)