sternocleidomastoid

Từ điển WordNet v3.1 - WordNet Dictionary

noun

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
• Syn:
sternocleidomastoid muscle, sternocleido mastoideus, musculus sternocleidomastoideus
• Hypernyms:
skeletal muscle, striated muscle
• Part Holonyms:
neck, cervix