vernal : Idioms & Phrases
Vernal equinox
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noun March 21
March equinox; spring equinox.
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noun (astronomy) the equinoctial point that lies in the constellation of Pisces
WordNet
(Astron.) , the time when the sun crosses the equator when proceeding northward.
Webster 1913
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 calledsweet vernal grass . See Illust. in Appendix.
Webster 1913
vernal iris
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noun low-growing spring-flowering American iris with bright blue-lilac flowers
dwarf iris; Iris verna.
WordNet
Vernal signs
(Astron.) , the signs, Aries, Taurus, and Gemini, in which the sun appears between the vernal equinox and summer solstice.
Webster 1913
vernal witch hazel
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noun fragrant shrub of lower Mississippi valley having very small flowers from midwinter to spring
Hamamelis vernalis.