front door

plural front doors · alternative frontdoor · alternative front-door

1. literalThe door at the main entrance to a building or house, normally fronts onto a street.

   You'll find a light switch inside the front door on the left.

   1 more example

   Calpurnia appeared in the front door and yelled, “Lemonade time! You all get in outa that hot sun ‘fore you fry alive!” Lemonade in the middle of the morning was a summertime ritual. Calpurnia set a pitcher and three glasses on the porch, then went about her business. Being out of Jem’s good graces did not worry me especially. Lemonade would restore his good humor.

   1960 July 11, Harper Lee, To Kill a Mockingbird, Philadelphia, Pa.; New York, N.Y.: J[oshua] B[allinger] Lippincott Company, →OCLC

2. broadlyThe entire main entrance to a building or house.
3. The habitual or designated main entrance to a room that has more than one door.

   Entry is through the toilet's front door.

4. computingThe normal portal page to a website.
5. ball gamesThe path of a pitch which starts inside and then slides over the plate.

   His front door slider is hard to handle.

6. slangvagina or penis, as a means of sexual intercourse, contrasted with the anus or "back door"