1. Of or relating to or having a fenestra 
2. Of or relating to windows

See also: fenestra, window

• slump
• slur
• slur over
• slurp
• slurred
• slurry
• slush
• slush around
• slush fund
• slushy
• slut
• sluttish
• sluttishness
• slutty
• Sluzhba Vneshney Razvedki
• sly
• slyboots
• slyly
• slyness
• Sm
• smack
• smack-dab
• smacker
• smacking
• small