Dictionary.com
Thesaurus.com
Synonyms

prom

1 American  
[prom] / prɒm /

noun

  1. a formal dance, especially one held by a high school or college class at the end of an academic year.


PROM 2 American  
[prom] / prɒm /

noun

Computers.
  1. a memory chip whose contents can be programmed by a user or manufacturer for a specific purpose.


prom. 3 American  

abbreviation

  1. promontory.


prom 1 British  
/ prɒm /

noun

  1. short for promenade promenade concert

  2. informal short for promenade

"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

PROM 2 British  
/ prɒm /

acronym

  1. programmable read only memory

"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 prom1

1890–95, short for promenade

Origin of PROM2

p(rogrammable) r(ead)-o(nly) m(emory)

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 items included the necklace Dawson gifted Joey for prom, his pilot episode outfit and the cleats he wore on “Varsity Blues.”

From The Wall Street Journal

During her senior year, she was prom queen and student body president, as well as the band’s drum major, and first-place winner of the talent show.

From Los Angeles Times

"Will your virtual teacher be there to dance with you at prom, hug your mum during results day, or high-five you in the corridor because they know you won the match last night?" she says.

From BBC

For a time, she and Lizza, 19 years her senior, reigned as minor royals in the nerd prom of Washington, D.C.

From The Wall Street Journal

In her senior year, Beckstrom was prom queen and a photo from that day shows her smiling beneath a sparkling crown.

From The Wall Street Journal