DICT.TW Dictionary Taiwan

 biserrate
 重鋸齒狀的

 Bi·ser·rate a.
 1. Bot. Doubly serrate, or having the serratures serrate, as in some leaves.
 2. Zool. Serrate on both sides, as some antennæ.
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 biserrate
      adj : having sawlike notches with the notches themselves similarly
            notched