ˈrektəs noun
( plural rec·ti -ˌtī)
Etymology: New Latin, from rectus musculus, literally, straight muscle
1. : any of several straight muscles (as the rectus abdominis or the rectus femoris)
2. or rectus ocu·li -ˈäkyəˌlī
[New Latin, literally, rectus of the eye]
: any of four muscles of the eyeball that arise from the borders of the optic foramen and running foward are inserted into the sclerotic coat of the eyeball and that are distinguished according to position as the superior, inferior, lateral (or external), and medial (or internal) recti