the GNU version of the Collaborative International Dictionary of English
adj. Like a pipe; hollow-stemmed.
The Century Dictionary and Cyclopedia
Resembling a pipe; formed like a tube; tubular; hollow-stemmed.
Inclined to pipe or wrinkle on the grain. See pipe, intransitive verb, 6.
Word Usage
"The hook had fouled among a bunch of strawberries, red on one side and white on the other -- perfect reproductions of the land fruit, except that there were no leaves, and the stem was all pipy and slimy."