• an extinct reptile of the Jurassic and Cretaceous having a bird-like beak and membranous wings supported by the very long fourth digit of each forelimb
• large carnivorous bipedal dinosaur having enormous teeth with knifelike serrations; may have been a scavenger rather than an active predator; later Cretaceous period in North America
• a social class comprising those who do manual labor or work for wages
• a political party formed in Great Britain in 1900; characterized by the promotion of labor's interests and formerly the socialization of key industries
• productive work (especially physical work done for wages)
• the federal department responsible for promoting the working conditions of wage earners in the United States; created in 1913
• concluding state of pregnancy; from the onset of contractions to the birth of a child
• an organized attempt by workers to improve their status by united action (particularly via labor unions) or the leaders of this movement
• any piece of work that is undertaken or attempted
• A large extinct marine reptile in the family Mosasauridae, dominant marine predator of the Cretaceous. Mosasaurs are considred to be in squmata, the same group that includes lizards and snakes.
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