Definition of bucay:
(n) :
(British, slang) A gun.
(n) :
A nickname for someone with the name Buck, or a given name derived from this.
(n) :
A surname
(n) :
(medicine, informal) Alternative form of Bucky (“a Potter-Bucky diaphragm”). [A surname]
(n) :
(slang) Alternative form of Buckie (“Buckfast Tonic Wine”). [A coastal town in Moray council area, Scotland, originally in Banffshire (OS grid ref NJ4265).]
(n) :
(medicine, informal) Ellipsis of Potter-Bucky diaphragm. [(medicine) A grid of lead strips that can be repositioned to reduce visual artifacts on an X-ray caused by secondary radiation.]