(in vertebrates) a bony or cartilaginous arch supporting the forelimbs.
Also called shoulder girdle. (in humans) the bony arch formed by the clavicles, or collarbones, and scapulas, or shoulder blades.
- pectoral cross,
- pectoral fin,
- pectoral muscle,
- pectoral nerve,
- pectoral sandpiper,
- pectoral vein,
Origin of pectoral girdle
First recorded in 1885–90
Also called pectoral arch.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a skeletal support to which the front or upper limbs of a vertebrate are attached
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
A bony or cartilaginous structure in vertebrates, attached to and supporting the forelimbs.pectoral arch
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.