rock tripe



any lichen of the genus Umbilicaria.

Origin of rock tripe

First recorded in 1850–55; allegedly so called in reference to the appearance of the thallus
Also called tripe-de-roche. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for rock tripe

  • There was one cable Burl had missed, hidden by rock-tripe and mould in a depressed part of the cliff-top.

    The Forgotten Planet|Murray Leinster
  • Not even a bit of rock-tripe—in these parts the last resource of starving men—could be met with.

  • On reaching the rock, they saw what Norman had meant by the words tripe de roche (rock-tripe).

British Dictionary definitions for rock tripe

rock tripe


Canadian any of various edible lichens, esp of the genus Umbilicaria, that grow on rocks and are used in the North as a survival food
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012