marchpane.

from The Collaborative International Dictionary of English v.0.48

Marchpane \March"pane`\, n. [Cf. It. marzapane,Sp. pan,.
   massepain, prob. fr. L. maza frumenty (Gr. ma^za) + L. panis
   bread; but perh. the first part of the word is from the name
   of the inventor.]
   A kind of sweet bread or biscuit; a cake of pounded almonds
   and sugar. Called also {marzipan}. [Obs.] --Shak.
   [1913 Webster]