Synonyms of the word

doorsill

• n. The horizontal piece of wood, stone or metal at the threshold of a doorway; a doorstep.

doorstep

• n. Step of a door. The threshold of a doorway.
• n. (figuratively) One's immediate neighbourhood or locality.
• n. A big slice of bread.
• v. (transitive, journalism) To corner somebody for an unexpected interview.

sill

• n. (architecture) (also window sill) A horizontal slat which forms the base of a window.
• n. (construction) A horizontal, structural member of a building near ground level on a foundation or pilings…
• n. (geology) A horizontal layer of igneous rock between older rock beds.
• n. A piece of timber across the bottom of a canal lock for the gates to shut against.
• n. (anatomy) A raised area at the base of the nasal aperture in the skull.
• n. (Britain) A young herring.
• n. The shaft or thill of a carriage.

threshold

• n. The bottom-most part of a doorway that one crosses to enter; a sill.
• n. (by extension) An entrance.
• n. The start of the landing area of a runway.
• n. (engineering) The quantitative point at which an action is triggered, especially a lower limit.
• n. The wage or salary at which income tax becomes due.
• n. The outset of an action or project.
• n. The point where one mentally or physically is vulnerable in response to provocation or to particular things…
• n. The point of beginning or entry.