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Adjective: setaceous  si'tey-shus
  1. Having or covered with protective barbs or quills or spines or thorns or setae etc.
    "setaceous whiskers";
    - barbed, barbellate, briary, briery, bristled, bristly, burred, burry, prickly, setose, spiny, thorny

Sounds like: setaaceous, cet

See also: armed