Definition of "buy in" []

• Amass so as to keep for future use or sale or for a particular occasion or use (verb)

WordNet. Princeton University. 2010.

• "IN 1955, while other people were worried about the Cold War and were building air raid shelters, Mira and Norm were worried about the down payment on a small house they wanted to buy in Meyersville."
• "Though Vieth says prices in some places have climbed too high — he won't buy in Iowa, for instance — he says the price of farms elsewhere will rise as big money managers start seeing them as just another tradable asset like stocks or bonds and start buying."
• "Lucius Valerius Flaccus conferred with the curule aediles — responsible for grain purchases on behalf of the State as well as for the storage and sale of State grain — and applied to the Senate for additional funds to buy in grain from anywhere it could be obtained, and of any kind — barley, millet, emmer wheat as well as bread wheat."