It was a cord about two yards in length, made of the Entrail of some animal, and still as strong and as flexible as when it was first made.
"Cord and Creese"
James de Mille
Treadwell says, the Pennyroyal was especially put into hog's puddings, which were made of flour, currants, and spice, and stuffed into the Entrail of a hog.
"Herbal Simples Approved for Modern Uses of Cure"
William Thomas Fernie
This is covered with a piece of walrus Entrail so thin and transparent that light easily passes through it, and it serves as a window, the only one they have.
"Kalitan, Our Little Alaskan Cousin"
Mary F. Nixon-Roulet