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rod a straight, thin, usu. round and inflexible stick, shaft, or bar. [7 definitions]
rode past tense of ride.
rodent any of various related four-footed mammals, such as mice, rabbits, and woodchucks, characterized by large, sharp front teeth used for gnawing and nibbling. [3 definitions]
rodeo an exhibition or competition of cowboy skills such as riding untamed horses or roping cattle.
rodless combined form of rod.
rodman the surveyor's assistant who holds the leveling rod.
rodomontade puffed-up boasting or bravado.
roe1 fish eggs, esp. as a mass in the female ovary. [2 definitions]
roe2 a small, fleet deer of Europe and Asia, the male of which has three-pointed antlers; roe deer.
roebuck the male of the roe deer.
roentgen a unit of x-radiation or gamma radiation equal to the amount that produces, in 0.001293 gram or one cubic centimeter of dry air at zero degree Celsius and standard atmospheric pressure, one electrostatic unit of electricity.
roentgenography photography that uses x-rays.
Roentgen ray (sometimes l.c.) see x-ray.
rogation (usu. pl.) solemn prayers chanted during rites celebrated in some Christian churches during the three days before Ascension Day. [2 definitions]
roger used to acknowledge reception of a radio message. [2 definitions]
rogue one who is dishonest or malicious; scoundrel. [6 definitions]
roguery the conduct or an act of a rogue. [2 definitions]
rogues' gallery a collection of photographs of criminals kept by police to aid in the identification of suspects.
roguish of or having a roguelike nature; rascally. [2 definitions]
Rohwer Relocation Center an internment camp located in southeastern Arkansas that was built for the internment of Japanese-Americans during World War II between 1942 and 1944. At its peak in late 1942, there were 8,500 people being held there.
roil to make (a liquid) turbid by stirring; make cloudy or muddy. [3 definitions]