Lobe definition

lōb
lobes
See word origin
Frequency:
A rounded projection, especially a rounded, projecting anatomical part.

The lobe of an ear.

noun
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A subdivision of a bodily organ or part bounded by fissures, connective tissue, or other structural boundaries.
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A rounded projecting part.
  • The fleshy lower part of the human ear.
  • Any of the main divisions of an organ separated by fissures, etc.
    A lobe of the brain, lung, or liver.
  • Any of the major divisions of a simple leaf that is not divided completely to the midrib or base.
noun
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A rounded projection, especially a rounded, projecting anatomical part.

The lobe of an ear.

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A subdivision of a bodily organ or part bounded by fissures, connective tissue, or other structural boundaries.
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A rounded projection, as on a leaf or petal. The leaves of many oak species have prominent lobes.
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An anatomical division of an organ of the body. The liver, lungs, and brain are all characterized by lobes that are held in place by connective tissue.
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Any projection or division, especially one of a somewhat rounded form.
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(anatomy) A division of the brain.
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Other Word Forms

Noun

Singular:
lobe
Plural:
lobes

Origin of lobe

  • Middle English from Old French from Late Latin lobus hull, pod from Greek lobos lobe, pod

    From American Heritage Dictionary of the English Language, 5th Edition

  • From French lobe, from New Latin lobus (“a lobe”), from Ancient Greek λοβός (lobos, “the lobe of the ear or of the liver, the pod of a leguminous plant”).

    From Wiktionary

Lobe Sentence Examples

  • The x-rays were conclusive and indicated a bad infection in the lower lobe of one lung.

  • A, Shark (Lamna cornubica), with long lobe of tail upturned.

  • There had been several dozen mistranslations from the small translator attached to her ear lobe.

  • The lower cheekteeth have, unlike those of the Tapiroidea, crescentic ridges, which have not the loops at their extremities characteristic of the advanced Hippoidea; the last lower molar has no third lobe.

  • As stated above, the lower molars have the crown formed by a pair of crescents; the last having no third lobe.

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Words near lobe in the Dictionary