buy in
• buy supplies or commodities in large quantities from an external supplier.
• "we have garlic, onions, and potatoes from last year's crop, but we have to buy in everything else"
• withdraw something at auction because it fails to meet the reserve price.
buy-in
noun
• a purchase of shares by a broker after a seller has failed to deliver similar shares, the original seller being charged any difference in cost.
• a purchase of shares in a company by managers who are not employed by it.
• the buying back by a company of its own shares.
• agreement with, or acceptance of, a policy or suggestion.
• "there should be a moral buy-in from everyone in the organization"
