From en.wiktionary.org:
[yard bird]
** English
[2010]
*** Alternative forms
- yard bird
*** Etymology
From [en]. Attested since 1956 in the sense of ‘convict,’ derived from the idea of prison yards. During World War II, it meant ‘basic trainee’ among the armed forces.[1]
*** Pronunciation
- [en] - [en] - [en]
*** Noun
[en-noun]
1. [en] A chicken . 2. [en] A person who is imprison ed. 3. * {{ quote-text | en | year=1985 | author=John P. Conrad | chapter=Charting a Course for Imprisonment Policy, | title=Annals of the American Academy of Political and Social Science | volume=478 | page=126 |passage=The working convict is a rare exception, sometimes envied because his time is occupied, sometimes derided for his deviance from the YARDBIRD norm.}}
1. [en] A soldier who is required to perform menial work on the grounds of a military base. 2. * {{ quote-journal | en | date=5 Jul 1943 | title=In the Rough | titleurl=https://web.archive.org/web/20081214160157/http://www.time.com/time/magazine/article/0,9171,802808,00.html | journal=Time |passage=As the Marines expanded to war strength, Lou Diamond was the ideal liaison between crusty old-timers and impressionable recruits. He taught quick action by threats of YARDBIRD detail.}}
**** Translations
[person who is imprisoned]
- Bulgarian: [bg] - Finnish: [fi] - French: [fr] , [fr] - German: [de] , [de] , [de] , [de] - Romanian: [ro] , [ro] - Russian: [ru] , [ru] - Spanish: [es] , [es] [trans-bottom]
[soldier required to do menial work]
- French: [fr] , [fr] [trans-bottom]
*** References
References: [1]. [EtymOnLine] [en]