cradle roof

noun

: a timber roof much used in the middle ages with the rafters, collar beams, and braces of each truss combined into a form approaching that of an arch and thus giving the effect of a series of arches or when ceiled of a barrel vault compare compass roof

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now