A piece of deep water, natural as well as artificial. Also, an iron cistern for containing fresh water a great improvement on wooden casks for keeping water sweet.
·noun A large basin or cistern; an artificial receptacle for liquids. II. Tank ·add. ·noun A pond, ...
Webster's Dictionary of the English Language
·add. ·- A high and narrow tank, with a central cylinder for the introduction of compressed air, use...
·add. ·- ·Alt. of Tank vessel. ...
·add. ·- A vessel fitted with tanks for the carrying of oil or other liquid in bulk. ...