संस्‍कृतशब्‍दकोशः

निष्टर्क्य

संभालकर खुलने वाला

to be opened by untwisting

Monier–Williams

निष्टर्क्य — {niṣ-ṭarkyá} mfn. (√{tark}##cf. {tarku}) to be opened by unscrewing or loosened by untwisting &c