The Collaborative International Dictionary of English v.0.48:

Scalloping \Scal"lop*ing\, n.
   Fishing for scallops.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Scallop \Scal"lop\, v. t. [imp. & p. p. Scalloped; p. pr. &
   vb. n. Scalloping.]
   1. To mark or cut the edge or border of into segments of
      circles, like the edge or surface of a scallop shell. See
      Scallop, n., 2.
      [1913 Webster]

   2. (Cookery) To bake in scallop shells or dishes; to prepare
      with crumbs of bread or cracker, and bake. See Scalloped
      oysters, below.
      [1913 Webster]