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crown block

noun
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Definition of crown block

: a timber or steel pulley support connecting at the top the derrick posts of an oil well

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Dictionary Entries Near crown block

crown bird

crown block

crown bud

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Cite this Entry

“Crown block.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/crown%20block. Accessed 18 Sep. 2021.

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