LINEA is a Latin word meaning 'LINE' or 'STRING'. It is often used in mathematics, geometry, and physics to refer to a straight LINE. In biology, it is used to describe the linear arrangement of cells or organs. In architecture, it is used to refer to a continuous LINE or series of lines. In art, it is used to refer to a continuous LINE or series of lines that form a pattern or design. In music, it is used to refer to a melodic LINE or phrase.