1A barrier constructed to hold back water and raise its level, forming a reservoir used to generate electricity or as a water supply.‘the dam burst after torrential rain’
barrage, barrier, wall, embankment, levee, barricade, obstruction, hindrance, blockageView synonyms
- ‘the Hoover Dam’
- 1.1A barrier of branches in a stream, constructed by a beaver to provide a deep pool and a lodge.
2(also dental dam)A rubber sheet used to keep saliva from the teeth during dental operations, or as a prophylactic device during cunnilingus and anilingus.
transitive verbdams, damming, dammed[with object]
1Build a dam across (a river or lake)
block, block up, obstruct, choke, clog, clog up, bung up, closeView synonyms
- ‘the river was dammed to form Lake Powell’
- 1.1Hold back or obstruct (something)‘the closed lock gates dammed up the canal’
- ‘discussion was in full flow and refused to be dammed’
Middle English from Middle Low German or Middle Dutch; related to Dutch dam and German Damm, also to Old English fordemman ‘close up’.
The female parent of an animal, especially a domestic mammal.‘However, the present study indicates Longhorns have a significant advantage in calving ease over Red Poll sires for dams calving at 2 yr of age.’
- ‘The greatest effect of scours was on young inbred dams; mature outcross dams had a lower incidence of scours.’
- ‘Their incorporation into these pedigree herds as suckler dams or resale as in calf cows offers a very lucrative second-hand value.’
- ‘Weaning BW is influenced by the growth potential of the sire and dam, the milk production of the dam, and the feed resources.’
- ‘Puppies can resemble the sire, the dam, or a combination of the parents or even a remote ancestor.’
Late Middle English (denoting a human mother): alteration of dame.