Source : Webster's Revised Unabridged Dictionary (1913)

Algid \Al"gid\, a. [L. algidus cold, fr. algere to be cold: cf.
   F. algide.]
   Cold; chilly. --Bailey.

   {Algid cholera} (Med.), Asiatic cholera.

Source : WordNet®

algid
     adj : chilly; "a person who is algid is marked by prostration and
           has cold clammy skin and low blood pressure"