ensiform

/ˈɛnsəfɔːrm/
adjective
  1. Shaped like a sword; long, narrow, and pointed.
    • Botanists describe the ensiform shape of certain grasses as ideal for cutting through wind.
    • The ensiform leaves of the iris plant are easy to recognize in the garden.
    • The fossil showed an ensiform structure, suggesting it was part of a defensive spine.
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