overcall

1. (poker, bridge) A call which occurs after another player has already called

2. (contract law) An additional contribution required of investors beyond the initial investment, should unforeseen expenses arise.Examples: "Respondent further asserts that the only reason the overcall provision was included in the partnership agreement was to circumvent the provisions of section 465."; "For the purposes of the Contract, "Production Costs" shall mean the estimated costs of producing the Principal Company (including any contingency reserves), as described in the documents used in connection with the financing of such Company, including costs that may be paid, if permitted by the terms of such documents, by an overcall demand on investors, but not including any weekly expenses."; "On May 23, Levin drew up a suggested deal with CBS, whereby they would put up $300,000 plus an overcall of 20 percent ($60,000); CBS would get the rights to televise the show, while the stage version would get television and radio publicity, with the possibility of television coverage of the opening night."

3. (medicine) A positive diagnosis when there is, in fact, nothing wrong.Examples: "According to published data, screening with chemiluminescence, as opposed to other light sources, imparts the lowest overcall rate."; "However, the rigid cores' appearance on smears and the intact reticulin fiber network on cell block will prevent the overcall."; "A complete history may be important to avoid making an overcall, although cases of coexisting SQC and pemphigus vulgaris have been reported."