cleithral or clithral /klīˈthrəl/

Completely roofed over

• ray fungus
• ray gun
• ray guns
• raying
• rayle
• rayled
• Rayleigh criterion
• Rayleigh disc
• Rayleigh scattering
• Rayleigh wave
• rayles
• rayless
• raylet
• raylets
• rayling
• Raynaud's disease
• Raynaud's phenomenon
• rayne
• ray of sunshine
• rayon
• rayons
• rays
• rays of sunshine
• raze
• razed