Definition of billy noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈbɪli//
; NAmE NAmE//ˈbɪli//
(pl. billies)(also billycan
BrE BrE//ˈbɪlikæn//
; NAmE NAmE//ˈbɪlikæn//
(both British English)
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a metal can with a lid and a handle used for boiling water or for cooking when you are camping Word Origin mid 19th cent.: perhaps from Aboriginal billa ‘water’.