1. 
[syn: barbed, barbellate, briary, briery, bristled, bristly, burred, burry, prickly, setose, setaceous, spiny, thorny]
The Collaborative International Dictionary of English v.0.48:
briary \briary\ adj.
   1. having or covered with protective barbs or quills or
      spines or thorns etc.; -- of plants or animals.
   Syn: barbed, barbellate, briery, bristly, burred, burry,
        prickly, spiny, thorny.
        [WordNet 1.5]
WordNet (r) 3.0 (2006):
briary
    adj 1: having or covered with protective barbs or quills or
           spines or thorns or setae etc.; "a horse with a short
           bristly mane"; "bristly shrubs"; "burred fruits";
           "setaceous whiskers" [syn: barbed, barbellate,
           briary, briery, bristled, bristly, burred,
           burry, prickly, setose, setaceous, spiny,
           thorny]