Leaf

Definition

Leaf is a noun and a verb. As a noun, it refers to the flattened, typically green structure that grows from the stems or branches of a plant, where photosynthesis occurs. It can also mean a page of a book or document. As a verb, it means to flip through pages or to produce leaves, as in plants.

Parts of Speech

• Noun
• Verb

Pronunciation

American English

• IPA Pronunciation: /liːf/
• Respelling: leef

British English

• IPA Pronunciation: /liːf/
• Respelling: leef

Etymology

The word "leaf" originates from Old English "lēaf," which is related to Proto-Germanic "*laubaz" and Proto-Indo-European "*lewp-" (to peel or break off). Its primary use in referring to plant structures dates back to the early Middle Ages.

Derivatives

• Leafy (adjective)
• Defoliation (noun)
• Leafage (noun)
• Leaflet (noun)
• Unleaf (verb)

Synonyms

• Foliage
• Page
• Frond

Antonyms

• None

Usage

The term "leaf" is used in both botanical and metaphorical contexts. Examples include "The tree lost its last leaf in autumn," and "He turned over a new leaf in his life."

Related Terms

• Tree: A perennial plant with an elongated stem or trunk supporting leaves.
• Photosynthesis: The process by which green plants use sunlight to synthesize food from carbon dioxide and water.
• Petiole: The stalk that attaches a leaf to the stem.

Detailed Definitions

Noun

• The flattened structure attached to a stem or branch of a plant: Refers to the primary site of photosynthesis in plants.
  • Example: "Each leaf is unique in its pattern of veins."
• A page in a book or document: Refers to a single sheet of paper.
  • Example: "She bookmarked the leaf to continue reading later."

Verb

• To turn pages quickly: Describes the act of flipping through the pages of a book or document.
  • Example: "He leafed through the magazine while waiting."
• To produce leaves: Refers to the process of a plant growing new foliage.
  • Example: "The tree began to leaf in early spring."