check ligament
noun
\ ˈchek-
\
\
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