dam

1
[ dam ]
/ dæm /

noun

a barrier to obstruct the flow of water, especially one of earth, masonry, etc., built across a stream or river.
a body of water confined by a dam.
any barrier resembling a dam.

verb (used with object), dammed, dam·ming.

to furnish with a dam; obstruct or confine with a dam.
to stop up; block up.

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Origin of dam

1
1275–1325; Middle English <Middle Dutch, Middle Low German, dam; akin to Old English for-demman to stop up, block

Definition for dam (2 of 4)

dam2
[ dam ]
/ dæm /

noun

a female parent (used especially of four-footed domestic animals).

Origin of dam

2
1250–1300; Middle English; variant of dame

Definition for dam (3 of 4)

dam3

abbreviation

dekameter; dekameters.

Definition for dam (4 of 4)

Dam
[ dam, dahm ]
/ dæm, dɑm /

noun

(Carl Pe·ter) Hen·rik [kahrl -pee-ter -hen-rik; Danish kahrl -pey-tuhr -hen-rik], /kɑrl ˈpi tɛr ˈhɛn rɪk; Danish kɑrl ˈpeɪ tər ˈhɛn rɪk/, 1895–1976, Danish biochemist: Nobel Prize in Medicine 1943.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for dam

British Dictionary definitions for dam (1 of 5)

dam1
/ (dæm) /

noun

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
a reservoir of water created by such a barrier
something that resembles or functions as a dam

verb dams, damming or dammed

(tr often foll by up) to obstruct or restrict by or as if by a dam

Word Origin for dam

C12: probably from Middle Low German; compare Old Icelandic damma to block up

British Dictionary definitions for dam (2 of 5)

dam2
/ (dæm) /

noun

the female parent of an animal, esp of domestic livestock

Word Origin for dam

C13: variant of dame

British Dictionary definitions for dam (3 of 5)

dam3
/ (dæm) /

interjection, adverb, adjective

(often used in combination) a variant spelling of damn (def. 1), damn (def. 2), damn (def. 3), damn (def. 4) damfool; dammit

British Dictionary definitions for dam (4 of 5)

dam4

symbol for

decametre(s)

British Dictionary definitions for dam (5 of 5)

Dam
/ (Danish dam) /

noun

(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

Medical definitions for dam (1 of 2)

dam
[ dăm ]

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.

Medical definitions for dam (2 of 2)

Dam
[ dăm, 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.

Idioms and Phrases with dam

dam

see water over the dam.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.