The Collaborative International Dictionary of English v.0.48:

Rummage \Rum"mage\, v. t. [imp. & p. p. Rummaged; p. pr. & vb.
   n. Rummaging.]
   1. (Naut.) To make room in, as a ship, for the cargo; to move
      about, as packages, ballast, so as to permit close
      stowage; to stow closely; to pack; -- formerly written
      roomage, and romage. [Obs.]
      [1913 Webster]

            They might bring away a great deal more than they
            do, if they would take pain in the romaging.
                                                  --Hakluyt.
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   2. To search or examine thoroughly by looking into every
      corner, and turning over or removing goods or other
      things; to examine, as a book, carefully, turning over
      leaf after leaf.
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            He . . . searcheth his pockets, and taketh his keys,
            and so rummageth all his closets and trunks.
                                                  --Howell.
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            What schoolboy of us has not rummaged his Greek
            dictionary in vain for a satisfactory account! --M.
                                                  Arnold.
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The Collaborative International Dictionary of English v.0.48:

Roomage \Room"age\, n. [From Room. CF. Rummage.]
   Space; place; room. [Obs.] --Sir H. Wotton.
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