The internal organs, especially the intestines; viscera.
Internal parts: "sidewalk repair shops, where the entrails of bicycles and cars and motorcycles are spread, mechanics poring over them” ( Alan Cowell).
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.