Definition of “tooth”
noun:
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A hard, calcareous structure present in the mouth of many vertebrate animals, generally used for eating.
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A sharp projection on the blade of a saw or similar implement.
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A projection on the edge of a gear that meshes with similar projections on adjacent gears, or on the circumference of a cog that engages with a chain.
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A pointed projection from the margin of a leaf.
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verb:
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To provide or furnish with teeth.
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To indent; to jag.
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To lock into each other, like gear wheels.
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