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Definition of thresh verb from the Oxford Advanced American Dictionary

     

    thresh

     verb
    verb
    NAmE//θrɛʃ//
     
    Verb Forms present simple I / you / we / they thresh
     
    he / she / it threshes
     
    past simple threshed
     
    -ing form threshing
     
     
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  1. 1[transitive] thresh something to separate grains of rice, wheat, etc. from the rest of the plant using a machine or, especially in the past, by hitting it with a special tool Topic CollocationsFarminggrowing food and raising animals
    • plant trees/seeds/crops/vines/barley
    • grow/produce corn/wheat/rice/fruit
    • plow land/a field
    • sow/harvest seeds/crops/fields
    • spread manure/fertilizer on something
    • cultivate/irrigate/water/contaminate crops/plants/fields/land
    • damage/destroy/lose your crop
    • ripen/pick fruit/berries/grapes
    • press/dry/ferment grapes
    • grind/thresh grain/corn/wheat
    • raise/rear/keep chickens/poultry/cattle/pigs
    • raise/breed/feed/graze livestock/cattle/sheep
    • butcher/kill/slaughter livestock
    • preserve/smoke/cure/salt meat
    modern farming
    • run a fish farm/an organic dairy farm
    • engage in/be involved in intensive (pig/fish) farming
    • use/apply (chemical/organic) fertilizer/insecticides/pesticides
    • begin/do/conduct field trials of GM (= genetically modified) crops
    • grow/develop GM crops/seeds/plants/foods
    • fund/invest in genetic engineering/research
    • improve/increase crop yields
    • face/suffer from/alleviate food shortages
    • label food that contains GMOs (= genetically modified organisms)
    • eliminate/reduce farm subsidies
    • oppose/be against factory farming/GM food
    • promote/encourage/support organic/sustainable farming
  2. 2[intransitive, transitive] thresh (something) to make, or cause something to make, uncontrolled movements synonym thrash
 
noun [uncountable] a threshing machine
See thresh in the Oxford Advanced Learner's Dictionary