turn over a new leaf
To engage in self-improvement; to begin a good habit or shed a bad habit.
Every year he resolves to turn over a new leaf and start exercising.
leaf
UK /liːf/ US /liːf/
noun 8verb 3name 1
Definitions
noun
1
The usually green and flat organ that represents the most prominent feature of most vegetative plants.
Earless ghost swift moths become “invisible” to echolocating bats by forming mating clusters close (less than half a meter) above vegetation and effectively blending into the clutter of echoes that the bat receives from the leaves and stems around them.
2
A foliage leaf or any of the many and often considerably different structures it can specialise into.
3
Anything resembling the leaf of a plant.
4
A sheet of a book, magazine, etc. (consisting of two pages, one on each face of the leaf).
Heretofore advertisers have had to buy and pay for a leaf — two pages.
5
A sheet of any substance beaten or rolled until very thin.
gold leaf
verb
1
To produce leaves; put forth foliage.
Then flowered the mead, then leafed all 'Twas caused by the runic lay.
2
To divide (a vegetable) into separate leaves.
The lettuce in our burgers is 100% hand-leafed.
3
To play a prank on someone by throwing a large clump or collection of leaves at them.
name
1
A surname from Old English.
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