ser·rat·ed /ˈsɛ(ə)rˌet, səˈret/ 形容詞
  鋸齒狀的
  Ser·rate Ser·ra·ted a.
  1. Notched on the edge, like a saw.
  2. Bot. Beset with teeth pointing forwards or upwards; as, serrate leaves.
  Doubly serrate, having small serratures upon the large ones, as the leaves of the elm.
  Serrate-ciliate, having fine hairs, like the eyelashes, on the serratures; -- said of a leaf.
  Serrate-dentate, having the serratures toothed.
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  serrated
       adj : notched like a saw with teeth pointing toward the apex [syn:
              serrate, saw-toothed, toothed, notched]