The Collaborative International Dictionary of English v.0.48:

Dorsel \Dor"sel\, n. [See Dosser.]
   1. A pannier.
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   2. Same as Dorsal, n.
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The Collaborative International Dictionary of English v.0.48:

Dosser \Dos"ser\, n. [LL. dosserum, or F.dossier bundle of
   papers, part of a basket resting on the back, fr. L. dorsum
   back. See Dorsal, and cf. Dosel.] [Written also dorser
   and dorsel.]
   1. A pannier, or basket.
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            To hire a ripper's mare, and buy new dossers.
                                                  --Beau. & Fl.
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   2. A hanging tapestry; a dorsal.
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