The Collaborative International Dictionary of English v.0.48:

Rind \Rind\ (r[imac]nd), n. [AS. rind bark, crust of bread; akin
   to OHG. rinta, G. rinde, and probably to E. rand, rim; cf.
   Skr. ram to end, rest.]
   The external covering or coat, as of flesh, fruit, trees,
   etc.; skin; hide; bark; peel; shell.
   [1913 Webster]

         Thou canst not touch the freedom of my mind
         With all thy charms, although this corporal rind
         Thou hast immanacled.                    --Milton.
   [1913 Webster]

         Sweetest nut hath sourest rind.          --Shak.
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The Collaborative International Dictionary of English v.0.48:

Rind \Rind\, v. t.
   To remove the rind of; to bark. [R.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

rind
    n 1: the natural outer covering of food (usually removed before
         eating)