sternocleidomastoid

[ stur-noh-klahy-duh-mas-toid ]

adjective
  1. of, relating to, or involving the sternum, the clavicle, and the mastoid process.

noun
  1. a thick muscle on each side of the neck, the action of which assists in bending the head and neck forward and sideways.

Origin of sternocleidomastoid

1
1820–30; sterno- + Greek kleido-, combining form of kleís key, clavicle + mastoid

Words Nearby sternocleidomastoid

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use sternocleidomastoid in a sentence