Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

Noun: sternocleidomastoid muscle
  1. One of two thick muscles running from the sternum and clavicle to the mastoid and occipital bone; turns head obliquely to the opposite side; when acting together they flex the neck and extend the head
    - sternocleidomastoid, sternocleido mastoideus, musculus sternocleidomastoideus

Type of: skeletal muscle, striated muscle

Part of: cervix, neck

Encyclopedia: Sternocleidomastoid muscle