A pilonidal cyst is a unique kind of abscess that occurs in or above the crease of the buttocks. Pilonidal cysts often begin as tiny areas of infection in the base of the area of skin from which hair grows (the hair follicle).
Cofferdam A cofferdam is a temporary enclosure built within, or in pairs across, a body of water and constructed to allow the enclosed area to be pumped out, creating a dry work environment for the major work to proceed.
Glossary of Municipal Securities Terms. The contract between the underwriter and the issuer setting forth the final terms, prices and conditions upon which the underwriter purchases a new issue of municipal securities. A conduit borrower also is frequently a party to the bond purchase agreement in a conduit financing.