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rock tripe

any lichen of the genus Umbilicaria.
Also called tripe-de-roche.
Origin of rock tripe
1850-55; allegedly so called in reference to the appearance of the thallus Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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Examples from the Web for rock-tripe
Historical Examples
  • Not even a bit of rock-tripe—in these parts the last resource of starving men—could be met with.

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

    The Young Voyageurs Mayne Reid
  • 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
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
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