MANILLA is a 7 letter word that starts with M.

1. \Ma*nil"la\, n. [Sp. manilla; cf. It. maniglio,
   maniglia; F. manille; Pg. manilha; all fr. L. manus hand, and
   formed after the analogy of L. monile, pl. monilia, necklace:
   cf. F. manille.]
   1. A ring worn upon the arm or leg as an ornament, especially
      among the tribes of Africa.
   
   2. A piece of copper of the shape of a horseshoe, used as
      money by certain tribes of the west coast of Africa.
      --Simmonds.
   
   

2. \Ma*nil"la\, a.
   Same as {Manila}.