- any of the lower five ribs on either side of the body, which are not directly attached to the sternum.
Origin of false rib
First recorded in 1490–1500
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- any of the lower five pairs of ribs in man, attached behind to the thoracic vertebrae but in front not attached directly to the breastboneSee floating rib
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
- Any of the five pairs of lower ribs that do not articulate directly with the sternum.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.