a convict or prisoner.
an army recruit.
a soldier confined to camp and assigned to cleaning the grounds or other menial tasks as punishment for violation of the rules.
Origin of yardbird
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Related Words for yardbirdhostage, convict, captive, detainee, culprit, offender, crook, hooligan, fugitive, gangster, hoodlum, felon, thug, mobster, lawbreaker, miscreant, wrongdoer, criminal, delinquent, tough
US military an inexperienced, untrained, or clumsy soldier, esp one employed on menial duties
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Online Etymology Dictionary, © 2010 Douglas Harper