doorsill

door·sill

D0342200 (dôr′sĭl′)n. The threshold of a doorway.

doorsill

(ˈdɔːˌsɪl) n (Building) a horizontal member of wood, stone, etc, forming the bottom of a doorframe

door•sill

(ˈdɔrˌsɪl, ˈdoʊr-)

n. the sill of a doorway. [1555–65]

Thesaurus

Noun

1.

doorsill - the sill of a door; a horizontal piece of wood or stone that forms the bottom of a doorway and offers support when passing through a doorwaydoorstep, thresholddoorway, room access, door, threshold - the entrance (the space in a wall) through which you enter or leave a room or building; the space that a door can close; "he stuck his head in the doorway"sill - structural member consisting of a continuous horizontal timber forming the lowest member of a framework or supporting structure