threshold
NounWordNet 3.0
Noun (5)
- the starting point for a new state or experience“on the threshold of manhood”
- the smallest detectable sensationSynonyms: limen
- 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”Synonyms: doorwaydoorroom access
- 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 doorwaySynonyms: doorsilldoorstep
- a region marking a boundarySynonyms: brinkverge
Webster's Dictionary (GCIDE)
Threshold \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. [1913 Webster]
2.Fig.: The place or point of entering or beginning, entrance; outset; as, the threshold of life. [1913 Webster]