Source : Webster's Revised Unabridged Dictionary (1913)

Clivers \Cliv"ers\ (? or ?), n.
   See {Cleavers}.

Source : WordNet®

clivers
     n : annual having the stem beset with curved prickles; North
         America and Europe and Asia [syn: {cleavers}, {goose
         grass}, {catchweed}, {spring cleavers}, {Galium aparine}]