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Vernal grass

資料來源 : Webster's Revised Unabridged Dictionary (1913)



   {Vernal equinox} (Astron.), the time when the sun crosses the
      equator when proceeding northward.

   {Vernal grass} (Bot.), a low, soft grass ({Anthoxanthum
      odoratum}), producing in the spring narrow spikelike
      panicles, and noted for the delicious fragrance which it
      gives to new-mown hay; -- also called {sweet vernal
      grass}. See Illust. in Appendix.

   {Vernal signs} (Astron.), the signs, Aries, Taurus, and
      Gemini, in which the sun appears between the vernal
      equinox and summer solstice.
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