Marchpane

march'pan, n. A kind of sweet bread or biscuit; spice cakes of sugar, nuts, poppy seeds, and Indian corn. [Prob. L. and Gr. maza, frumenty, a barley-cake, Gr. ma e in, to knead, and L.pan is, bread.] Marcid, Marcidity. See under Marcescent. Marconi system, mar-ko'nY-. (Elec.) A system of wirele telegraphy developed by G. Marconi, an Italian physicist, in which electrical waves are used in transmi ion and a coherer is used as the receiving instrument. — Marco'nigram, n. A me age sent by Marconi telegraph. Mardi-Gras, mar-de-gra/, The festival preceding Ash-Wedne*day, the first day of Lent; Shrove-Tuesday. [F., fat Tuesday.]