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WordNet

rectus

  1. n. any of various straight muscles

  2. [also: recti (pl)]

recti

See rectus

The Collaborative International Dictionary

Recti

Rectus \Rec"tus\ (-t?s), n.; pl. Recti (-t?). [NL., fr. L. regere to keep straight.] (Anat.) A straight muscle; as, the recti of the eye.

Wiktionary

recti

n. (plural of rectus English)

Usage examples of "recti".

The other two, the superior and inferior oblique muscles, aid in certain movements of the recti muscles and, in addition, serve to rotate the eyes slightly.

In each act of seeing, it becomes the task of the superior and inferior recti muscles to keep the eyes in the same plane, and of the external and internal recti muscles to give just the right amount of convergence.