Morning-glory definitions

Any of numerous, usually twining vines of the genus Ipomoea and other genera of the family Convolvulaceae, having trumpet-shaped, variously colored flowers that typically are open for only a day.
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Any of a genus (Ipomoea) of plants of the morning-glory family; esp., a twining annual vine (I. purpurea), with heart-shaped leaves and trumpet-shaped flowers of lavender, blue, pink, or white.
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Designating a family (Convolvulaceae, order Solanales) of twining dicotyledonous vines and some erect shrubs and trees with flowers having five sepals and a funnel-shaped corolla, including some bindweeds and the jalaps and sweet potatoes.
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Several members of the Convolvulaceae family; climbing plants with trumpet shaped flowers.
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(informal) An involuntary erection present on waking.
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A rolling cloud in the shape of a cylinder.
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