leaf

noun15

1. •
   a green flat part that grows out from a plant and takes in the light of the sun
2. •
   A foliage leaf or any of the many and often considerably different structures it can specialise into.
3. •
   [in the plural] Tea leaves.
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. — 1900
5. •
   A sheet of any substance beaten or rolled until very thin.
6. •
   A flat section used to extend the size of a table.
7. •
   A moveable panel, e.g. of a bridge or door, originally one that hinged but now also applied to other forms of movement.

   • The train car has one single-leaf and two double-leaf doors per side.
8. •
   In a tree, a node that has no descendants.

   • The algorithm pops the stack to obtain a new current node when there are no more children (when it reaches a leaf). — 2011
9. •
   Anything resembling the leaf of a plant.
10. •
    (slang) Cannabis.
11. •
    One of the individual flat or curved strips of metal, typically made of spring steel, that make up a leaf spring.

    • Lumbering down a precipitous "slideway," the Thornycroft broke two main leaves in the back spring[.] — 1931
12. •
    (Internet, humorous) A Canadian person.
13. •
    The layer of fat supporting the kidneys of a pig, leaf fat.
14. •
    A particular value of the EAX register when a program runs the CPUID instruction; each leaf represents a different category of information returned about the processor.
15. •
    One of the teeth of a pinion, especially when small.

verb3

1. •
   To produce leaves; put forth foliage.

   • Then flowered the mead, then leafed all 'Twas caused by the runic lay. — 1828
2. •
   To divide (a vegetable) into separate leaves.

   • The lettuce in our burgers is 100% hand-leafed.
3. •
   (informal) To play a prank on someone by throwing a large clump or collection of leaves at them.

noun3

1. •
   A model of car built by Nissan, with a name chosen for its green connotations.
2. •
   (Canada, slang) A member of the Toronto Maple Leafs hockey team, its organization, or its supporters.
3. •
   (Internet, humorous) A Canadian person.