n. In musicn. A stringed instrument of Egyptian origin, which became the national instrument of ancient Greece.n. An element in the name of some instruments of the viol class, as the arm-lyre or lira da braccio, and the knee-lyre or lira da gamba. See lira.n. A kind of metallic harmonica, mounted on a lyre-shaped frame, occasionally used in military music.n. A kind of rebec used by the modern Greeks. See rebec.n. [capitalized] A constellation. See Lyra, 1.n. A verse of the kind commonly used in lyric poetry.n. The Manx shearwater, Puffinus anglorum.n. A grade of isinglass: a trade-name.n. An obsolete form of leer.n. See lire.In pianoforte-making, the lyre-shaped frame to which the pedals are attached and through which the pedal-rods work.The posterior portion of the under surface of the fornix of the brain, marked by a number of lines bearing a fancied resemblance to a lyre. Also called lyre of David or lyra Davidis.