The Collaborative International Dictionary of English v.0.48:

Ribes \Ri"bes\, n.[NL.; cf. Dan. ribs, and Ar. r[imac]b[=a]s a
   plant with an acid juice.] (Bot.)
   A genus of shrubs including gooseberries and currants of many
   kinds.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Ribes
    n 1: a flowering shrub bearing currants or gooseberries; native
         to northern hemisphere [syn: Ribes, genus Ribes]