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nounthe series of vertebrae forming the axis of the skeleton and protecting the spinal cord
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nounfortitude and determinationtype of:
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nouna central cohesive source of support and stabilitytype of:
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nounthe part of a book's cover that encloses the inner side of the book's pages and that faces outward when the book is shelved
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nounthe part of a network that connects other networks togethertype of: