مِزْلَاجٌ

(S, K) and زِلَاجٌ (K) [A kind of latch, or sliding bolt; like مِزْلَاقٌ and مِزْلَاخٌ;] a [thing like the] مِغْلَاق, except that it is opened with the hand, whereas the مغلاق is not to be opened save with the key: (S, K:) a wooden thing by means of which one closes or makes fast [a door]: (Ham p. 764; in explanation of the former word:) so called because of the quickness with which it slips ( لِسُرْعَةِ انْزِلَاجِهِ): but ISh describes the kind of مزلاج used by the people of El-Basrah as having a crooked iron key, which slips into a hole in the door, by means of which the door is locked: plural مَزَالِيجُ. (TA.)

Also the former word, applied to a woman, Having little flesh in her posteriors, or posteriors and thighs; or having small buttocks, sticking together; synonym رَسْحَاءُ. (S, K.)