morning glory

noun
1.
any of various plants, especially of the genera Ipomoea and Convolvulus, as I. purpurea, a twining plant having cordate leaves and funnel-shaped flowers of various colors, often opening only in the morning.
2.
a racehorse that runs faster in morning workouts than in afternoon races.
Also, morning-glory.


Origin:
1805–15, Americanism

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Example sentences
The seed can be distinguished from the round, non-hallucinogenic morning glory seeds by its triangular shape.
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