Threshold Definition

thrĕshōld, -hōld
thresholds
noun
thresholds
A piece of wood or stone placed beneath a door; a doorsill.
American Heritage
Webster's New World
Either end of an airport runway.
American Heritage
The entrance or beginning point of something.
At the threshold of a new career.
Webster's New World
The point at which a stimulus is just strong enough to be perceived or to produce a response.
Webster's New World

Other Word Forms of Threshold

Noun

Singular:
threshold
Plural:
thresholds

Origin of Threshold

  • Middle English thresshold from Old English therscold, threscold terə-1 in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Old English þrescold (“doorsill", "point of entering"), from þrescan (“tread", "trample")

    From Wiktionary

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