The Collaborative International Dictionary of English v.0.48:

Blister \Blis"ter\, v. i. [imp. & p. p. Blistered; p. pr. &
   vb. n. Blistering.]
   To be affected with a blister or blisters; to have a blister
   form on.
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         Let my tongue blister.                   --Shak.
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The Collaborative International Dictionary of English v.0.48:

Blister \Blis"ter\, v. t.
   1. To raise a blister or blisters upon.
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            My hands were blistered.              --Franklin.
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   2. To give pain to, or to injure, as if by a blister.
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            This tyrant, whose sole name blisters our tongue.
                                                  --Shak.
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The Collaborative International Dictionary of English v.0.48:

Blister \Blis"ter\, n. [OE.; akin to OD. bluyster, fr. the same
   root as blast, bladder, blow. See Blow to eject wind.]
   1. A vesicle of the skin, containing watery matter or serum,
      whether occasioned by a burn or other injury, or by a
      vesicatory; a collection of serous fluid causing a
      bladderlike elevation of the cuticle.
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            And painful blisters swelled my tender hands.
                                                  --Grainger.
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   2. Any elevation made by the separation of the film or skin,
      as on plants; or by the swelling of the substance at the
      surface, as on steel.
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   3. A vesicatory; a plaster of Spanish flies, or other matter,
      applied to raise a blister. --Dunglison.
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   Blister beetle, a beetle used to raise blisters, esp. the
      Lytta vesicatoria (or Cantharis vesicatoria), called
      Cantharis or Spanish fly by druggists. See
      Cantharis.

   Blister fly, a blister beetle.

   Blister plaster, a plaster designed to raise a blister; --
      usually made of Spanish flies.

   Blister steel, crude steel formed from wrought iron by
      cementation; -- so called because of its blistered
      surface. Called also blistered steel.

   Blood blister. See under Blood.
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WordNet (r) 3.0 (2006):

blister
    n 1: a flaw on a surface resulting when an applied substance
         does not adhere (as an air bubble in a coat of paint)
    2: (botany) a swelling on a plant similar to that on the skin
    3: (pathology) an elevation of the skin filled with serous fluid
       [syn: blister, bulla, bleb]
    v 1: get blistered; "Her feet blistered during the long hike"
         [syn: blister, vesicate]
    2: subject to harsh criticism; "The Senator blistered the
       administration in his speech on Friday"; "the professor
       scaled the students"; "your invectives scorched the
       community" [syn: blister, scald, whip]
    3: cause blisters to form on; "the tight shoes and perspiration
       blistered her feet"