<p><strong>Adjective</strong></p><ul><li>having three dimensions; solid.</li><li>having the form of a cube; cubical.</li><li>pertaining to the measurement of volume: the cubic contents of a vessel.</li><li>pertaining to a unit of linear measure that is multiplied by itself twice to form a unit of measure for volume: cubic foot; cubic centimeter; cubic inch; cubic meter.</li><li>of or relating to the third degree.</li><li>belonging or pertaining to the isometric system of crystallization.</li></ul><p><strong>Noun</strong></p><ul><li>a cubic polynomial or equation.</li></ul>