check ligament

noun
\ ˈchek- How to pronounce check ligament (audio) \

Medical Definition of check ligament

2 : either of two expansions of the sheaths of rectus muscles of the eye each of which probably restrains the activity of the muscle with which it is associated:
a : an expansion of the sheath of the lateral rectus that is attached to the lacrimal bone

called also lateral check ligament

b : an expansion of the sheath of the medial rectus that is attached to the zygomatic bone

called also medial check ligament