The Collaborative International Dictionary of English v.0.48:

Mollemoke \Mol"le*moke`\, n. [Sw. mallemucke the stormy petrel.]
   (Zool.)
   Any one of several species of large pelagic petrels and
   fulmars, as Fulmarus glacialis, of the North Atlantic, and
   several species of Aestrelata, of the Southern Ocean. See
   Fulmar. [Written also mollymawk, malmock, mollemock,
   mallemocke, etc.]
   [1913 Webster]