The Collaborative International Dictionary of English v.0.48:

Venire facias \Ve*ni"re fa"ci*as\ [L., make, or cause, to come.]
   (Law)
   (a) A judicial writ or precept directed to the sheriff,
       requiring him to cause a certain number of qualified
       persons to appear in court at a specified time, to serve
       as jurors in said court.
   (b) A writ in the nature of a summons to cause the party
       indicted on a penal statute to appear. Called also
       venire.
       [1913 Webster]

WordNet (r) 3.0 (2006):

venire
    n 1: (law) a group of people summoned for jury service (from
         whom a jury will be chosen) [syn: panel, venire]