Burred

from WordNet (r) 3.0 (2006)

burred
    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}]

from The Collaborative International Dictionary of English v.0.48

Burr \Burr\, v. i. [imp. & p. p. {Burred}; p. pr. & vb. n.
   {Burring}.]
   To speak with burr; to make a hoarse or guttural murmur.
   --Mrs. Browning.
   [1913 Webster]