noun
: a nut used in making a seal ; specifically : a nut for sealing the terminal post of a battery at the point where the post leaves the cover of the case
noun
: a nut used in making a seal ; specifically : a nut for sealing the terminal post of a battery at the point where the post leaves the cover of the case
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012