The Mackinac Bridge is five miles long and crosses the Straits of Mackinac, connecting the upper and lower peninsulas of Michigan. It is the longest suspension bridge in North America.
Definition of plinth. 1a : the lowest member of a base : subbaseb : a block upon which the moldings of an architrave or trim are stopped at the bottom. 2 : a usually square block serving as a base; broadly : any of various bases or lower parts.
(blÅk) n. 1. a. A solid piece of a hard substance, such as wood, having one or more flat sides. b. Such a piece used as a construction member or as a support. c. Such a piece upon which chopping or cutting is done: a butcher's block. d. Such a piece upon which persons are beheaded.