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ump

[uhmp]
noun, verb (used with or without object) Slang.
  1. umpire.
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Origin of ump

shortened form
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Word Origin and History for umping

ump

n.

short for umpire (n.), by 1915, American English.

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Online Etymology Dictionary, © 2010 Douglas Harper

umping in Medicine

UMP

abbr.
  1. uridine phosphate
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.