from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A piece of wood or stone placed beneath a door; a doorsill.
- n. An entrance or a doorway.
- n. The place or point of beginning; the outset.
- n. The point that must be exceeded to begin producing a given effect or result or to elicit a response: a low threshold of pain.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The bottom-most part of a doorway that one crosses to enter; a sill.
- n. An entrance
- n. The start of the landing area of a runway
- n. 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 in general. As in emotions, stress, or pain.
- n. The point of beginning or entry
from the GNU version of the Collaborative International Dictionary of English
- n. 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.
- n. Fig.: The place or point of entering or beginning, entrance; outset.
from The Century Dictionary and Cyclopedia
- n. The plank, stone, or piece of timber which lies at the bottom of a door, or under it, particularly the door of a dwelling-house, church, temple, or other building; a door-sill; hence, entrance; gate; door.
- n. Hence, the place or point of entering or beginning; outset: as, he is now at the threshold of his argument.
- n. In psychology, the limit below which a given stimulus,' or the difference between two stimuli, ceases to be perceptible. Compare schwelle.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- 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
- n. the smallest detectable sensation
- n. a region marking a boundary
- n. 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 doorway
- n. the starting point for a new state or experience
Middle English thresshold, from Old English therscold, threscold.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Old English þrescold ("doorsill", "point of entering"), from þrescan ("tread", "trample") (Wiktionary)