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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.

Esa actitud le ha ayudado a convertirse en el as del bullpen este octubre y podría ser la razón por la que será el as de la rotación en el futuro.

From Los Angeles Times • Oct. 10, 2025

De ser electa, añade, “la ciencia será el faro que nos guíe”.

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

En caso de ser necesario, no es infrecuente que las escuelas encarguen a los estudiantes bilingües la interpretación para sus familias, poniéndolos en la posición de describir sus propios defectos a sus padres y tutores.

From Seattle Times • Nov. 16, 2023

"Lord of Winterfell and King in the North, ser," Catelyn corrected him.

From "A Clash of Kings" 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.