corn S3 /kɔːn $ kɔːrn/ noun
[Sense 1-2: Language: Old English]
[Sense 3: Date: 1300-1400; Language: Old French; Origin: corne 'horn, corner'; ⇒ corner¹]

1. [uncountable] British English plants such as wheat, barley, and oats or their seeds:
fields of corn
an ear of corn (=the top part of this plant where the seeds grow)

2.
[uncountable]
a) American English a tall plant with large yellow seeds that grow together on a cob (=long hard part), which is cooked and eaten as a vegetable or fed to animals Synonym : maize British English:
All our chickens are fed on corn. ⇒ corn on the cob
b) the seeds of this plant ⇒ sweetcorn

3. [countable] a painful area of thick hard skin on your foot

[TahlilGaran] Dictionary of Contemporary English ▲

corn
noun
I. grain crops
ADJ. ripe | green The corn is still green.
young | standing a field of standing corn
QUANT. ear, sheaf | bag, sack | field
VERB + CORN grow | sow | cut, harvest | thresh | grind | eat
CORN + VERB grow
CORN + NOUN field | harvest | cob | mill
PHRASES corn on the cob (= maize cooked with all the grains still attached to the cob)

[TahlilGaran] Collocations Dictionary ▲

corn
II. area of hard skin on the toe
VERB + CORN have, suffer from | treat

[TahlilGaran] Collocations Dictionary ▲