English

Adjective

sternocleidomastoid ‎(comparative more sternocleidomastoid, superlative most sternocleidomastoid)

1. (anatomy) Relating to or involving the sternum, the clavicle and the mastoid process.

Noun

sternocleidomastoid ‎(plural sternocleidomastoids)

1. The sternocleidomastoid muscle