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• sen
  sen

  noun

  a money of account of Japan, one 100th of a yen, now used only in certain quotations, as on foreign exchange.
• sen.
  sen.

  abbreviation

  senate.
• Sen.
  Sen.

  abbreviation

  senator
• SEN
  SEN

  abbreviation

  (formerly) State Enrolled Nurse

sen

¹ American  

[sen] / sɛn /

noun

• sen
  plural

1. a money of account of Japan, one 100th of a yen, now used only in certain quotations, as on foreign exchange.

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sen ² American  

[sen] / sɛn /

noun

• sen
  plural

1. a money of account of Cambodia, one 100th of a riel.

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sen ³ American  

[sen] / sɛn /

noun

• sen
  plural

1. an aluminum coin and monetary unit of Indonesia, one 100th of a rupiah.

2. a bronze, cupronickel, or copper-clad coin and monetary unit of Malaysia, one 100th of a ringgit.

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sen. ⁴ American  

Or sen.

abbreviation

1. senate.

2. senator.

3. senior.

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Sen. ¹ British  

abbreviation

1. senator

2. senior

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SEN ² British  

abbreviation

1. (formerly) State Enrolled Nurse

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sen ³ British  

/ sɛn /

noun

1. a monetary unit of Brunei, worth one hundredth of a dollar, Cambodia, worth one hundredth of a riel, Indonesia, worth one hundredth of a rupiah, Malaysia, worth one hundredth of a ringgit, and formerly of Japan (where it is still used as a unit of account)

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Other Word Forms

Noun Inflected Forms

• sen
  plural

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Etymology

Origin of sen¹

First recorded in 1725–35; from Japanese, from Middle Chinese, equivalent to Chinese qián; cf. chon

Origin of sen²

First recorded in 1960–65; from Khmer sein, probably Khmer pronunciation of the French abbreviation cent., for centime ( see centime), stamped on Cambodian coins

Origin of sen³

First recorded in 1950–55; from Malay, from English cent

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Example Sentences

See Examples For:

sen sen. Sen. SEN

But search revenue growth slowed to 12% year-over-year, down from 17% growth in the second quarter, helping sen shares down about 10% in after-hours trading.

From The Wall Street Journal ● Oct. 29, 2026

"What makes these organisms particularly dangerous is their ability to survive conditions that kill many other microbes," said corresponding author Longfei Shu of Sun Yat sen University.

From Science Daily ● Jan. 25, 2026

A UniCredit logo is sen in downtown Rome, May 10, 2016.

From Reuters ● Mar. 9, 2022

The menu features Lao dishes such as the rice noodle soup khao piak sen and beef noodle soup Lao pho.

From Los Angeles Times ● Feb. 12, 2019

They had been bom horn her faith and her need, given life by the deaths of her husband and unborn sen and the maegi Mini Maz Duur.

From "A Clash of Kings" by George R.R. Martin

In proof of this, reference may be had to Dr. Warren, sen. who has a number of cases, and also to Dr. Dexter, Dr. Jackson, and Dr. J. C.

From Cases of Organic Diseases of the Heart by John Collins Warren

Gray, sen., of Mississippi. 12mo. sheep, $1 50 THE FREEMASON'S MANUAL, a companion for the initiated through all the Degrees of Freemasonry, 100 plates; by Rev. K.J.

From Lays of Ancient Virginia, and Other Poems by James Avis Bartley

Joseph, sen., first made a circle, twelve or fourteen feet in diameter: 'This circle,' said he, 'contains the treasure.'

From Monsieur Violet by Frederick Marryat

"Tatt., and old Tatt., and Tatt. sen. before him, all agree that they never knew a bad 'oss with a rat-tail."

From Jorrocks' Jaunts and Jollities by Robert Smith Surtees

Here lieth the body of John Galey, sen., in expectation of the Last Day.

From Notes and Queries, Number 203, September 17, 1853 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Genealogists, etc. by George Bell

Sen. Ron Wyden of Oregon and Rep. Richard Neal of Massachusetts have both identified trade as a priority, and they are both aware of the challenges facing our largest entitlement programs.

From MarketWatch ● Nov. 14, 2026

State Sen. Tony Strickland of Huntington Beach, who conceded his race for reelection this week, is the name most prominently mentioned as a potential successor to Rankin.

From Los Angeles Times ● Nov. 12, 2026

Sen. Richard Blumenthal of Connecticut, the top Democrat on the investigations subcommittee of the Committee on Homeland Security and Governmental Affairs, made a similar request.

From Los Angeles Times ● Nov. 9, 2026

“It’s hard to imagine it’s good news for these industries,” said former Sen. Pat Toomey, previously a Republican ranking member of the banking committee.

From The Wall Street Journal ● Nov. 6, 2026

"They might call you,” Eliot said eventually to Mrs. Sen. "But they might complain that you were making too much noise.”

From "Interpreter of Maladies" by Jhumpa Lahiri

"Clearly our selectors have a firm view he is a talent and that is why they picked him," Greenberg told SEN.

From BBC ● Oct. 9, 2026

There are big changes planned in the way pupils with SEN are supported.

From BBC ● Sep. 6, 2026

Lottie has a statement of SEN which her father said states that she needs to be in a special school.

From BBC ● Sep. 6, 2026

Some are already in progress, with the EA saying pupils with SEN will receive "earlier, more tailored support".

From BBC ● Sep. 6, 2026

It will generally be right to employ SEN to represent the English suffix -less, as:—Sendanka = thankless, senmona = penniless, senhara = hairless, bald, senutila = useless.

From The International Auxiliary Language Esperanto Grammar and Commentary by George Cox

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