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The definition of backbone

6 Definitions of: backbone

    1. noun, a nontechnical name for spinal column
    2. noun, something that resembles the spinal column in function, position, or appearance
    3. noun, strength of character; courage
    4. noun, the main or central mountain range of a country or region
    5. noun, nautical the main longitudinal members of a vessel, giving structural strength
    6. noun, computing (in computer networks) a large-capacity, high-speed central section by which other network segments are connected
    7. Show me some examples of this word: backbone
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From Collins