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

Type of: sinus, venous sinus

• waiflike
• Waikiki
• wail
• wailer
• wailful
• wailing
• Wailing Wall
• wain
• wainscot
• wainscoted
• wainscoting
• wainscotted
• wainscotting
• wainwright
• waist
• waist anchor
• waist pack
• waist-deep
• waist-high
• waist-length
• waistband
• waistcloth
• waistcoat
• waistline
• wait