noun
an independent federal agency that administers compulsory military service (Freq. 1)
• Syn: ↑Selective Service, ↑SSS
• Hypernyms: ↑independent agency
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the U.S. federal agency that facilitates the mobilization of military forces by requiring the registration of males between the ages of 18 and 26 years. Abbr.: SSS
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Selective Service System,
an agency of the United States government responsible for the selection of persons from the total manpower of the United States for compulsory military service, as established by Federal law.
Useful english dictionary. 2012.