perron
noun
per·ron ˈper-ən 
pe-ˈrōⁿ
pe-ˈrōⁿ : an outdoor stairway leading up to a building entrance
also : a platform at its top
Word History
Etymology
French, from Old French, from perre, pierre rock, stone, from Latin petra, from Greek
First Known Use
1723, in the meaning defined above
- tetrachloromethanes
- tetrachord
- tetrachords
- tetrachoric
- tetrachotomous
- tetrachromatic
- tetrachronous
- tetracid
- tetracids
- tetraclines
- tetraclinises
- tetraclinisses
- tetracoccus
- tetracolon
- tetracoral
- Tetracoralla
- tetracoralline
- tetracosane
- tetracosanoic acid
- tetracovalent
- tetract
- tetractine
- tetractinellid
- Tetractinellida
- tetractinellidan