Selective Service System: Meaning and Definition of

Selec'tive Serv'ice Sys"tem

Pronunciation: [key]
  1. 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
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.