cubit

noun

cu·​bit ˈkyü-bət How to pronounce cubit (audio)
: any of various ancient units of length based on the length of the forearm from the elbow to the tip of the middle finger and usually equal to about 18 inches (46 centimeters)

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The cubit is an ancient unit of length that may have originated in Egypt close to 5,000 years ago. Cubit can refer to various units used in the ancient world, the actual length of which varied from time to time and place to place, but which was generally equivalent to the length of the human arm from elbow to fingertip—roughly about a foot and a half. (Appropriately, the word's source is a Latin word meaning "elbow.") Starting with the Wycliffe Bible in 1382, cubit has been used as the English translation for the measurement known in Biblical Hebrew as the "ammah" and in Koine as the "péchus."

Examples of cubit in a Sentence

Recent Examples on the Web And which of you by being anxious can add one cubit unto the measure of his life? Mary Shannon Wells, Southern Living, 29 Jan. 2024 That’s three hundred cubits long, fifty cubits wide, and thirty cubits high, or five hundred and ten feet by eighty-five by fifty-one. Oliver Whang, The New Yorker, 27 Nov. 2023 The cubit mentioned in the Torah with respect to building the ark was longer than what the Torah would later consider to be the length of a cubit. Rabbi Avi Weiss, sun-sentinel.com, 4 Oct. 2021 Kaaronen is a kayaker and woodworker who makes his own paddles—basing their length on a traditional measurement of his fathom plus his cubit. Bymichael Price, science.org, 1 June 2023 As early as 2700 B.C.E., the ancient Egyptians employed the royal cubit, a unit of length of about 53 centimeters that was likely derived from the distance from one’s elbow to the tip of the middle finger. Bymichael Price, science.org, 1 June 2023 There was the fingertip-to-elbow cubit and the thumb-width inch. Katie Hafner, Washington Post, 30 Nov. 2022 From the forearm-length cubit to the lump of metal that defined the kilogram, measurement is a powerful tool that Vincent investigates with unalloyed delight. Katie Hafner, Washington Post, 30 Nov. 2022 Newton was interested in the cubit, a unit of measurement used by the Great Pyramid’s builders. Livia Gershon, Smithsonian Magazine, 8 Dec. 2020

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'cubit.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Middle English, from Latin cubitum elbow, cubit

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of cubit was in the 14th century

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Cite this Entry

“Cubit.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cubit. Accessed 19 Mar. 2024.

Kids Definition

cubit

noun
cu·​bit ˈkyü-bət How to pronounce cubit (audio)
: an ancient unit of length based on the length of the forearm from the elbow to the tip of the middle finger and usually equal to about 18 inches (46 centimeters)

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