leaf

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English[edit]

A leaf
leaves (plural form)

Etymology[edit]

From Middle English leef, from Old English lēaf, from Proto-Germanic *laubą (compare West Frisian leaf, Low German Loov, Dutch loof, German Laub, Danish løv, Swedish löv), from Proto-Indo-European *leup- ‎(to peel, break off) (compare Irish luibh ‎(herb), Latin liber ‎(bast; book), Lithuanian lúoba ‎(bark), Albanian labë ‎(rind)).

Pronunciation[edit]

Noun[edit]

leaf ‎(plural leaves)

  1. The usually green and flat organ that represents the most prominent feature of most vegetative plants.
    • 2013 May-June, William E. Conner, “An Acoustic Arms Race”, American Scientist, volume 101, number 3, page 206-7: 
      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. Anything resembling the leaf of a plant.
  3. A sheet of any substance beaten or rolled until very thin.
    gold leaf
  4. A sheet of a book, magazine, etc (consisting of two pages, one on each face of the leaf).
  5. (in the plural) Tea leaves.
  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. (botany) A foliage leaf or any of the many and often considerably different structures it can specialise into.
  9. (computing, mathematics) In a tree, a node that has no descendants.
    • 2011, John Mongan, ‎Noah Kindler, ‎Eric Giguère, Programming Interviews Exposed
      The algorithm pops the stack to obtain a new current node when there are no more children (when it reaches a leaf).
  10. The layer of fat supporting the kidneys of a pig, leaf fat.
  11. One of the teeth of a pinion, especially when small.

Derived terms[edit]

Translations[edit]

Verb[edit]

leaf ‎(third-person singular simple present leafs, present participle leafing, simple past and past participle leafed)

  1. (intransitive) To produce leaves; put forth foliage.

Synonyms[edit]

Derived terms[edit]

Translations[edit]

See also[edit]

References[edit]

Anagrams[edit]


Old English[edit]

Pronunciation[edit]

Etymology 1[edit]

From Proto-Germanic *laubō. Cognate with Old High German *louba (German Laube).

Noun[edit]

lēaf f (nominative plural lēafe)

  1. permission
Descendants[edit]

Etymology 2[edit]

From Proto-Germanic *laubą, perhaps from Proto-Indo-European *leup- ‎(to peel, break off). Cognate with West Frisian leaf, Old Saxon lōf (Low German Loov), Dutch loof, Old High German loup (German Laub), Old Norse lauf (Danish løv, Swedish löv), Gothic 𐌻𐌰𐌿𐍆𐍃 ‎(laufs).

Noun[edit]

lēaf n

  1. leaf
  2. page
Descendants[edit]

Scots[edit]

Etymology[edit]

From Old English lēaf.

Noun[edit]

leaf (plural leafs)

  1. leaf

West Frisian[edit]

Pronunciation[edit]

Etymology 1[edit]

From Old Frisian, from Proto-Germanic *laubą, perhaps from Proto-Indo-European *leup- ‎(peel off, break off).

Noun[edit]

leaf c ‎(plural leaven)

  1. leaf, especially a long leaf, like a blade of grass

Etymology 2[edit]

Adjective[edit]

leaf ‎(plural leave)

  1. friendly, kind, cordial

Adverb[edit]

leaf

  1. in a friendly manner, kindly, cordially