<p><strong>Noun:</strong></p><ul><li>The part of a building or construction entirely above its foundation or basement.</li><li>Any structure built on something else.</li><li>The overlying framework or features of an organization, institution, or system, built or superimposed on a more fundamental base.</li><li>Nautical: Any construction built above the main deck of a vessel as an upward continuation of the sides.</li><li>The part of a bridge that rests on the piers and abutments.</li><li>Anything based on or rising from some foundation or basis: A complex ideological superstructure based on two hypotheses.</li></ul>