rectus

[rek-tuhs]

noun

Anatomy.

plural

recti 

1. any of several straight muscles, as of the abdomen, thigh, eye, etc.

rectus

/ ˈrɛktəs /

noun

1. anatomy a straight muscle, esp either of two muscles of the anterior abdominal wall ( rectus abdominis )

Word History and Origins

Origin of rectus¹

1695–1705; < New Latin rēctus ( musculus ) straight (muscle)

Word History and Origins

Origin of rectus¹

C18: from New Latin rectus musculus