A Quick and Simple Dictionary

cornstalk

1. Noun.  (botany) The tough, fibrous stalk of a corn (maize) plant, often ground for silage after harvest.
2. Noun.  (botany) A single specimen of a corn plant once past the seedling stage and which may, at maturity, bear multiple ears of corn.
3. Noun.  (Australia, slang) A non-indigenous person born in Australia. (reference-book , last Marshall ) A few decades earlier he^{[a non-indigenous person of Australian birth]} would have been nicknamed a ‘cornstalk’, a sarcastic reference to the way in which Australian children, like colonial wheat, grew fast and gangly; but labels could change with great rapidity, and by 1882 ‘cornstalk’ had become a caustic term for the New South Welsh..
4. Noun.  (Australia, slang) a non-indigenous native of New South Wales. .