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ser

1 American  
[seer, sair] / sɪər, sɛər /
Or seer

noun

  1. a unit of weight in India, varying in value but usually 1/40 of a maund: the government ser is divided into 80 tolas of 180 English grains and equals nearly 2 pounds 1 ounce avoirdupois (950 grams).

ser 2 American  

  1. serial.

  2. service.

Ser 3 American  

abbreviation

Biochemistry.

  1. serine.

ser- 4 American  

  1. variant of sero- before a vowel.

    serous.
ser. 5 American  

abbreviation

  1. serial.

  2. series.

  3. sermon.

ser British  
/ sɪə /

noun

  1. a unit of weight used in India, usually taken as one fortieth of a maund

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of ser

Borrowed into English from Hindi around 1810–20

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

La oficina del fiscal general de California ha argumentado que el caso debe ser desestimado, pero aún está pendiente en los tribunales.

From Los Angeles Times • Oct. 24, 2025

Para muchos investigadores, la gran pregunta es si, de ser electa, Sheinbaum Pardo continuará, revisará, o incluso revertirá las impopulares políticas relacionadas con la ciencia de su mentor.

From Science Magazine • May 8, 2024

Puede ser que en REM, esta penumbra entre la conciencia despierta y el inconsciente, ensayemos lo posible en lo real.

From New York Times • Mar. 28, 2024

El sistema de educación especial puede ser “increíblemente difícil para todos”, dijo Ramona Hattendorf, directora de defensa de The Arc of King County, que promueve los derechos de las personas con discapacidad.

From Seattle Times • Nov. 16, 2023

“If you are indeed a knight, ser, defend that slander with your body.”

From "A Dance with Dragons" by George R. R. Martin

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.