noun
Etymology: jack (I) (something smaller)
1. : a small rope or line
2. : a rod or steel cable connecting a central pumping engine with each of two or more oil wells which it powers
noun
Etymology: jack (I) (something smaller)
1. : a small rope or line
2. : a rod or steel cable connecting a central pumping engine with each of two or more oil wells which it powers
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012