lan·ce·o·late /ˈlæn(t)siəˌlet/
  (a.)槍尖形的
  lan·ce·o·late /ˈlæn(t)sɪəˌlet/ 形容詞
  披針形的,柳葉刀形的
  Lan·ce·o·late Lan·ce·o·la·ted a.  Bot. & Zool. Rather narrow, tapering to a point at the apex, and sometimes at the base also; as, a lanceolate leaf.
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  lanceolate
       adj : of a leaf shape; shaped like a lance head; narrow and
             tapering to a pointed apex [syn: lancelike]