Definitions for: Threshold

[n] the sill of a door; a horizontal piece of wood or stone that forms the bottom of a doorway and offer support when passing through a doorway
[n] 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"
[n] the smallest detectable sensation
[n] a region marking a boundary
[n] the starting point for a new state or experience; "on the threshold of manhood"

Webster (1913) Definition: Thresh"old, n. [OE. threswold, [thorn]reshwold, AS.
[thorn]rescwald, [thorn]erscwald, [thorn]erscold,
[thorn]rescold, fr. [thorn]rescan, [thorn]erscan, to thresh;
akin to Icel. [thorn]reskj["o]de, [thorn]r["o]skuldr, Sw.
tr["o]skel, Dan. t[ae]rskel. See Thrash.]
1. The plank, stone, or piece of timber, which lies under a
door, especially of a dwelling house, church, temple, or
the like; the doorsill; hence, entrance; gate; door.

2. Fig.: The place or point of entering or beginning,
entrance; outset; as, the threshold of life.

Synonyms: brink, doorsill, doorstep, limen, verge

See Also: absolute threshold, beginning, bound, boundary, case, casing, commencement, difference limen, difference threshold, differential limen, differential threshold, door, doorcase, doorframe, doorway, edge, entrance, entranceway, entree, entry, entryway, exterior door, first, kickoff, offset, outset, outside door, room access, sensation, sense datum, sense experience, sense impression, sill, start, starting time, threshold, wall

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