Source : Webster's Revised Unabridged Dictionary (1913)

Petechial \Pe*tech"i*al\, a. [Cf. F. p['e]t['e]chial, LL.
   petecchialis.] (Med.)
   Characterized by, or pertaining to, petechi[ae]; spotted.

   {Petechial fever}, a malignant fever, accompanied with livid
      spots on the skin.