tube well

An iron pipe of small diameter, pointed, and having a number of lateral perforations near the end, driven into the earth by a small pile-driver hammer until a water-bearing stratum is reached. Where the depth exceeds fourteen feet, two or more sections of pipe are screwed together. A small pump is attached to the top. The device is said to have been originally used in this country for obtaining brine. By means of it water can be obtained very quickly from small depths; a driven well. ftübe (2), s. [An abbreviation of tuber (q. v.).] tube-root, tuber-root, s. Bot.: Colchicum autumn ale .