Definitions
1.NounMisspelling of buy-in.
2.VerbTo accept an idea as valid; to join in on a concept.
3.VerbTo invest as part of a group; to put one's personal stake in an investment.
4.VerbTo buy back for the owner at an auction.
5.VerbFor the buyer of securities, whose seller fails to deliver the securities contracted for, to buy the securities from a third party and demand the difference in price from the original seller.