Invertebrate
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Destitute of a backbone; having no vertebræ; of or pertainingto the Invertebrata.-- n.
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An animal that does not have a backbone. Insects, arachnids, starfish, jellyfish, octopuses, sponges, and corals are all invertebrates.
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(n). A spineless creature, lacking a backbone. Adapted for use in human society to describe someone who lacks character or resolve.
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