the GNU version of the Collaborative International Dictionary of English
adj. Formed with a pipe; having pipe or pipes; tubular.
The Century Dictionary and Cyclopedia
Tubular or fistulous; formed with or into a tube or pipe.
Word Usage
"It was early in the days of Madrono Ranch, at the time of Mrs. Mortimer's second visit, that Billy drove in with a load of pipe; and house, chicken yards, and barn were piped from the second-hand tank he installed below the house-spring."