What is another word for Door-sill?
Pronunciation: [dˈɔːsˈɪl] (IPA) 
The door-sill is the elevated threshold at the base of a doorway. Synonyms for this word include doorstep, threshold, entranceway, sill, and entrance step. These words all describe the same thing and are interchangeable in most situations. The door-sill serves as a barrier between the inside and outside of a building, preventing drafts and keeping out pests. It can also be an important design feature of a home or building, adding aesthetic value to the architecture. Regardless of the word used to describe it, the door-sill plays an important role in creating a welcoming and secure entryway.
