D defs.my
Entry 1 sense Webster, 1913

Fistulate

· Fis·tu·late · IPA /ˈfɪstjʊleɪt/
01 v. t. & i. To make hollow or become hollow like a fistula, or pipe.
  1. 1.
    To make hollow or become hollow like a fistula, or pipe.[Obs.]