Märch1, n.
n. [O. Fr. March, Mars, Pr. Mars, Martz, Sp. & It. Marzo, Pg. Março, Lat. Martius mensis, from Martius, belonging to Mars, the god of war.] The third month of the year.
☞ The phrase as mad as a March hare, is an old English saying derived from the fact that March is the rutting time of hares, when they are excitable and violent. Wright.