Maxilla definition

măk-sĭlə
Either of a pair of bones of the human skull fusing in the midline and forming the upper jaw.
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In vertebrates, the upper jaw, or a major bone or cartilage of the upper jaw.
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(anatomy) Either of a pair of bones of the human skull fusing in the midline and forming the upper jaw.
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A homologous bone of the skull in other vertebrates.
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Either of two laterally moving appendages situated behind the mandibles in insects and most other arthropods.
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In most arthropods, as insects or crabs, one of the first or second pair of accessory jaws or head appendages situated just behind the mandibles.
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A homologous bone of the skull in other vertebrates.
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Either of two laterally moving appendages situated behind the mandibles in insects and most other arthropods.
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The upper part of the jaw in vertebrate animals.
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Either of the two bones that together form the upper jaw.
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Other Word Forms

Noun

Singular:
maxilla
Plural:
maxill, maxillae, maxillas

Origin of maxilla

  • Latin jawbone

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

  • From Latin maxilla (“jaw"), a diminutive of māla (“jaw").

    From Wiktionary