Tra từ corn - Từ điển Oxford Advanced Learner 8th

corn [corn corns] BrE [kɔːn] NAmE [kɔːrn] noun

1. (BrE)uncountable any plant that is grown for its grain, such as ↑wheat; the grain of these plants
•a field of corn
•ears/sheaves of corn
•corn-fed chicken
2. (NAmE) (BrE maize)uncountable a tall plant grown for its large yellow grains that are used for making flour or eaten as a vegetable; the grains of this plant
see also ↑corncob, ↑corn on the cob
3. (NAmE) (BrE sweet·corn)uncountable the yellow seeds of a type of corn ( ↑maize ) plant, also called corn, which grow on thick ↑stems and are cooked and eaten as a vegetable
4. countable a small area of hard skin on the foot, especially the toe, that is sometimes painful
See also: ↑maize ▪ ↑sweetcorn

Word Origin:
senses 1 to 3 Old English Germanic Dutch koren German Korn sense 4 late Middle English Anglo-Norman French Latin cornu ‘horn’

Collocations:
Farming
Growing food and raising animals
plant trees/seeds/crops/vines/barley
grow/produce corn/wheat/rice/fruit
plough/ (NAmE) plow land/a field
sow/harvest seeds/crops/fields
spread manure/fertilizer on sth
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
kill/slaughter livestock
preserve/smoke/cure/salt meat
Modern farming
run a fish farm/an organic dairy
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

Example Bank:
•The corn is still green.
•a field of standing corn