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Sam

1 American  
[sam] / sæm /

noun

  1. a male given name, form of Samuel.

  2. a female given name, form of Samantha.

SAM 2 American  
[sam] / sæm /

noun

  1. surface-to-air missile.

  2. Space Available Mail: a special air service for sending parcels weighing up to 15 pounds (6.8 kilograms) to overseas members of the armed forces: only the regular parcel post rate to the U.S. port of shipment is charged.

SAM 3 American  

  1. shared-appreciation mortgage.

Sam. 4 American  

abbreviation

Bible.

  1. Samuel.

SAM 1 British  
/ sæm /

acronym

  1. surface-to-air missile

"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
S.Am. 2 British  

abbreviation

  1. South America(n)

"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
Sam. 3 British  

abbreviation

  1. Samuel

"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
sam 4 British  
/ sæm /

verb

  1. dialect to collect; gather up

"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

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.

The recent attack on Sam Altman’s San Francisco mansion is the starkest example of this.

From The Wall Street Journal • Apr. 18, 2026

World, formerly known as Worldcoin, is part of Tools for Humanity, a start-up co-founded and chaired by Sam Altman who is also the head of ChatGPT-maker OpenAI.

From BBC • Apr. 17, 2026

Hally is quick to take a superior tone with Sam and Willie, but the truth is that Sam has been a surrogate father to him.

From Los Angeles Times • Apr. 17, 2026

Sam Altman’s side hustles blur the line between OpenAI’s interests and his own.

From MarketWatch • Apr. 17, 2026

Sam wiggled around so that his little tilted chair bounced up and down.

From "All About Sam" by Lois Lowry

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.