Word of the Day September 26, 2021 [archive]

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Today's word: winnowˈwɪn oʊ

This page provides all possible meanings and translations of the word winnow

Princeton's WordNet

  1. winnow, winnowing, sifting(verb)

    the act of separating grain from chaff

    "the winnowing was done by women"

  2. winnow, fan(verb)

    separate the chaff from by using air currents

    "She stood there winnowing chaff all day in the field"

  3. winnow(verb)

    blow on

    "The wind was winnowing her hair"; "the wind winnowed the grass"

  4. cull out, winnow(verb)

    select desirable parts from a group or list

    "cull out the interesting letters from the poet's correspondence"; "winnow the finalists from the long list of applicants"

  5. winnow(verb)

    blow away or off with a current of air

    "winnow chaff"


  1. winnow(Noun)

    That which winnows or which is used in winnowing; a contrivance for fanning or winnowing grain.

  2. winnow(Verb)

    To subject (granular material, especially food grain) to a current of air separating heavier and lighter components, as grain from chaff.

  3. winnow(Verb)

    To separate, sift, analyze, or test in this manner.

  4. winnow(Verb)

    To blow upon or toss about by blowing; to set in motion as with a fan or wings.

  5. winnow(Verb)

    To move about with a flapping motion, as of wings; to flutter.

  6. Origin: From winewen, windewen, windwen, from windwian, from wendwōnan, from wē-. Cognate with winden, vinsa.

Webster Dictionary

  1. Winnow(verb)

    to separate chaff from grain

  2. Origin: [OE. windewen, winewen, AS. windwian; akin to Goth. winpjan (in comp.), winpi-skauro a fan, L. ventilare to fan, to winnow; cf. L. wannus a fan for winnowing, G. wanne, OHG. wanna. 131. See Wind moving air, and cf. Fan., n., Ventilate.]


  1. Winnow

    The winnow algorithm is a technique from machine learning for learning a linear classifier from labeled examples. It is very similar to the perceptron algorithm. However, the perceptron algorithm uses an additive weight-update scheme, while Winnow uses a multiplicative scheme that allows it to perform much better when many dimensions are irrelevant. It is a simple algorithm that scales well to high-dimensional data. During training, Winnow is shown a sequence of positive and negative examples. From these it learns a decision hyperplane that can then be used to label novel examples as positive or negative. The algorithm can also be used in the online learning setting, where the learning and the classification phase are not clearly separated.

Chambers 20th Century Dictionary

  1. Winnow

    win′ō, v.i. to separate the chaff from the grain by wind: to fan: to examine: to sift: to blow upon: (Milt.) to set in motion: (rare) to flap, flutter.—v.i. to separate chaff from grain.—n. a fan for winnowing.—ns. Winn′ower; Winn′owing; Winn′owing-fan, -machine′, a fan, machine, for winnowing. [A.S. windwian, to winnow.]

Matched Categories

How to pronounce winnow?

How to say winnow in sign language?


  1. Chaldean Numerology

    The numerical value of winnow in Chaldean Numerology is: 3

  2. Pythagorean Numerology

    The numerical value of winnow in Pythagorean Numerology is: 8

Examples of winnow in a Sentence

  1. Shannon Beckham:

    The DNC is using polling to winnow the field even further, when its voters and caucus-goers who should be determining our nominee.

  2. David Bernhardt:

    The entire planning process is supposed to do this: start out big and winnow down.

  3. Monmouth University:

    They realize that only one of them can move onto the next contest after the first two (states), they realize you have to winnow down this field of establishment candidates to just one and the only way you're going to do it at this point is to start taking the other ones out.

  4. Assistant Attorney General Christina Grossi:

    Mr. Flood participated in the formation of the very procedures the agencies used to winnow down the millions of documents and identify those that are responsive to the subpoenas.

  5. Amalie Nash:

    Iowa's role isn't to pick the eventual nominee, it's to winnow the field.

Images & Illustrations of winnow

  1. winnowwinnowwinnowwinnowwinnow

Translations for winnow

From our Multilingual Translation Dictionary

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