a combining form meaning “rib,” used in the formation of compound words: costoclavicular.
- Also especially before a vowel, cost-.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use costo- in a sentence
They are most commonly met with in the tibia and in the ribs at the costo-chondral junctions.Manual of Surgery | Alexis Thomson and Alexander Miles
Breathing, according to its form of production, is: Costal or combined; diaphragmatic; costo-diaphragmatic.Delsarte System of Oratory | Various
The artery will then be felt pulsating, but hidden by the costo-coracoid membrane, which acts as its sheath.A Manual of the Operations of Surgery | Joseph Bell
The costo-transverse ligaments bind the ribs to the transverse processes of the thoracic vertebrae.
The ligaments which connect them are called costo-central, and are two in number.