trisected
  三分裂的; 三剖面的
  Tri·sect v. t. [imp. & p. p. Trisected; p. pr. & vb. n. Trisecting.]
  1. To cut or divide into three parts.
  2. Geom. To cut or divide into three equal parts.
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  Tri·sect·ed, a. Bot. Divided into three parts or segments by incisions extending to the midrib or to the base; -- said of leaves.
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