The Collaborative International Dictionary of English v.0.48:

blindfold \blind"fold`\, n.
   a flexible object placed over the eyes to prevent seeing;
   usually a strip of cloth wrapped around the head so as to
   cover the eyes.
   [PJC]

The Collaborative International Dictionary of English v.0.48:

Blindfold \Blind"fold`\, v. t. [imp. & p. p. Blindfolded; p.
   pr. & vb. n. Blindfolding.] [OE. blindfolden, blindfelden,
   blindfellen; AS. blind blind + prob. fellan, fyllan, to fell,
   strike down.]
   To cover the eyes of, as with a bandage; to hinder from
   seeing.
   [1913 Webster]

         And when they had blindfolded him, they struck him on
         the face.                                --Luke xxii.
                                                  64.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Blindfold \Blind"fold`\, a.
   Having the eyes covered; blinded; having the mental eye
   darkened. Hence: Heedless; reckless; as, blindfold zeal;
   blindfold fury.
   [1913 Webster]

         Fate's blindfold reign the atheist loudly owns.
                                                  --Dryden.
   [1913 Webster]

WordNet (r) 3.0 (2006):

blindfold
    adj 1: wearing a blindfold [syn: blindfold, blindfolded]
    n 1: a cloth used to cover the eyes
    v 1: cover the eyes of (someone) to prevent him from seeing;
         "the hostage was blindfolded and driven away"

Moby Thesaurus II by Grady Ward, 1.0:

23 Moby Thesaurus words for "blindfold":
   bandage, bedazzle, benight, blind, blind the eyes, blinders,
   blinds, blinkers, darken, daze, dazzle, deprive of sight, dim,
   eclipse, excecate, eye patch, glare, gouge, hoodwink, make blind,
   obscure, snow-blind, strike blind