WordNet
sinus rectus
n. an unpaired sinus of the dura mater [syn: straight sinus, tentorial sinus]
Wikipedia
Sinus rectus
Sinus rectus may refer to:
- Sinus rectus (trigonometry), a historical name for the sine, a trigonometrical function in mathematics
- Sinus rectus (anatomy), another name for the straight sinus, an area in the skull below the brain