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head-flattening

noun
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Definition of head-flattening

: a practice dating from prehistoric times and formerly engaged in by various peoples of North America and South America whereby the skull is caused to develop with a flattened top by the application of pressure during infancy

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“Head-flattening.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/head-flattening. Accessed 13 December 2019.

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