morning glory
or morn·ing-glo·ry
- 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.
- a racehorse that runs faster in morning workouts than in afternoon races.
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Origin of morning glory
An Americanism dating back to 1805–15
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018