1. [ noun ] a barrier constructed to contain the flow or water or to keep out the sea
Synonyms: dyke levee dike
Related terms: barrier weir milldam water_gate Aswan_High_Dam Hoover_Dam dike
2. [ verb ] obstruct with, or as if with, a dam
Synonyms: dam_up

"dam the gorges of the Yangtse River"

Related terms: obstruct
3. [ noun ] Last name, frequency rank in the U.S. is 12862
4. [ noun ] a metric unit of length equal to ten meters
Synonyms: dekameter decametre dekametre dkm decameter
Related terms: metric_linear_unit hectometer meter
5. [ noun ] (zoology) female parent of an animal especially domestic livestock
Related terms: female
Similar spelling:   Dahm