\Par`a*vail"\, a. [OF. par aval below; par through (L.
per) + aval down; a- (L. ad) + val (L. vallis) a valley. Cf.
{Paramount}.] (Eng. Law)
At the bottom; lowest. --Cowell.
Note: In feudal law, the tenant paravail is the lowest tenant
      of the fee, or he who is immediate tenant to one who
      holds over of another. --Wharton.