1. An S-shaped dural sinus on the temporal and occipital bones
   - sigmoid sinus

Type of: sinus, venous sinus

• cool off
• cool one's heels
• cool-white
• coolant
• coolant system
• coolbox
• cooler
• Cooley's anaemia
• Cooley's anemia
• coolheaded
• Coolidge
• coolie
• cooling
• cooling system
• cooling tower
• coolly
• coolness
• coolwart
• cooly
• coom
• coomb
• coombe
• coon
• coon bear
• coon cat