The Collaborative International Dictionary of English v.0.48:

Robbin \Rob"bin\, n. (Com.)
   A kind of package in which pepper and other dry commodities
   are sometimes exported from the East Indies. The robbin of
   rice in Malabar weighs about 84 pounds. --Simmonds.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Robbin \Rob"bin\, n. (Naut.)
   See Ropeband.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Ropeband \Rope"band`\, n. (Naut.)
   A small piece of spun yarn or marline, used to fasten the
   head of the sail to the spar. [Written also roband, and
   robbin.]
   [1913 Webster]