recto

adjective

1. straight (not crooked, curly, or bent; having a constant direction throughout its length)
2. honest, honorable, upright, righteous, just, fair
3. literal (exactly as stated; read or understood without interpretation)
4. right (of an angle, measuring 90 degrees)
5. Canary Islands stern, authoritarian, inflexible

noun, masculine

1. rectum (the terminal part of the large intestine)
2. rectus