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dam1

[dam] /dæm/
noun
1.
a barrier to obstruct the flow of water, especially one of earth, masonry, etc., built across a stream or river.
2.
a body of water confined by a dam.
3.
any barrier resembling a dam.
verb (used with object), dammed, damming.
4.
to furnish with a dam; obstruct or confine with a dam.
5.
to stop up; block up.
Origin
1275-1325
1275-1325; Middle English < Middle Dutch, Middle Low German, dam; akin to Old English for-demman to stop up, block
Synonyms
5. impede, clog, check, choke.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for damming

dam1

/dæm/
noun
1.
a barrier of concrete, earth, etc, built across a river to create a body of water for a hydroelectric power station, domestic water supply, etc
2.
a reservoir of water created by such a barrier
3.
something that resembles or functions as a dam
verb dams, damming, dammed
4.
(transitive) often foll by up. to obstruct or restrict by or as if by a dam
Word Origin
C12: probably from Middle Low German; compare Old Icelandic damma to block up

dam2

/dæm/
noun
1.
the female parent of an animal, esp of domestic livestock
Word Origin
C13: variant of dame

dam3

/dæm/
interjection, adverb, adjective
1.
(often used in combination) a variant spelling of damn (sense 1), damn (sense 2), damn (sense 3), damn (sense 4) damfool, dammit

dam4

symbol
1.
decametre(s)

Dam

/Danish dam/
noun
1.
(Carl Peter) Henrik (ˈhɛnrəɡ). 1895–1976, Danish biochemist who discovered vitamin K (1934): Nobel prize for physiology or medicine 1943
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
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Word Origin and History for damming

dam

n.

"water barrier," early 14c., probably from Old Norse dammr or Middle Dutch dam, both from Proto-Germanic *dammaz (cf. Old Frisian damm, German Damm), of unknown origin.

"animal mother," c.1300, variant of dame (q.v.), also originally used, like that word, for "lady, mother;" but meanings diverged into separate spellings by 16c.

v.

late 15c., from dam (n.1). Related: Dammed; damming.

Online Etymology Dictionary, © 2010 Douglas Harper
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damming in Medicine

dam (dām)
n.
A barrier against the passage of liquid or loose material, especially a rubber sheet used in dentistry to isolate one or more teeth from the rest of the mouth.

Dam (dām, däm), (Carl Peter) Henrik. 1895-1976.

Danish biochemist. He shared a 1943 Nobel Prize for the discovery of vitamin K.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Related Abbreviations for damming

dam

decameter

DAM

  1. diacetylmonoxime
  2. divorced Asian male
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Idioms and Phrases with damming
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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