n (botany) The tough, fibrous stalk of a corn (maize) plant, often ground for silage after harvest.
n (botany) A single specimen of a corn plant once past the seedling stage and which may, at maturity, bear multiple ears of corn.
n (Australia|slang|obsolete) A non-indigenous person born in Australia. (reference-book | last = Marshall | first = Peter | authorlink = | coauthors = | title = The Cambridge Illustrated History of the British Empire | publisher = Cambridge University Press | date = 2001 | location = Cambridge | pages = 272 | url = http://www.cambridge.org/catalogue/catalogue.asp?isbn=0521002540 | doi = | id = | isbn = 978-0521002547 ) 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.
n (Australia|slang|pejorative) a non-indigenous native of New South Wales.