- (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.
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. 2018
- a skeletal support to which the front or upper limbs of a vertebrate are attached
- 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.