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Entry 6 senses · 3 variants Webster, 1913

Blister

/blĭs'-tẽr/ · Blis·ter · IPA /ˈblɪstɚ/
01 n. 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…
  1. 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.
    “And painful blisters swelled my tender hands.” — Grainger.
  2. 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.
  3. 3.
    A vesicatory; a plaster of Spanish flies, or other matter, applied to raise a blister.
Phrases & compounds
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.
02 v. i. To be affected with a blister or blisters; to have a blister form on.
imp. & p. p. Blistered; p. pr. & vb. n. Blistering
  1. 1.
    To be affected with a blister or blisters; to have a blister form on.
    “Let my tongue blister.” — Shak.
03 v. t. To raise a blister or blisters upon.
  1. 1.
    To raise a blister or blisters upon.
    “My hands were blistered.” — Franklin.
  2. 2.
    To give pain to, or to injure, as if by a blister.
    “This tyrant, whose sole name blisters our tongue.” — Shak.