noun

• Any of various venomous snakes of the family Elapidae.
• A type of lanyard knot, thought to resemble a snake in its shape.
• (UK politics, by extension) A cabinet committee meeting that would use a COBR room
• (UK politics, by extension) A cabinet committee that would meet using a COBR room
• (rare) A male given name.
• (UK politics) Initialism of Cabinet Office Briefing Room A.
• (UK politics, by extension) Acronym of Cabinet Office Briefing Rooms.
• (US, law) Initialism of Consolidated Omnibus Budget Reconciliation Act of 1985, especially the provision that allows some employees to continue their group-based health insurance after leaving a job; also, health insurance obtained under this law.
• (UK politics) Alternative letter-case form of COBRA [(UK politics, by extension) A cabinet committee meeting that would use a COBR room]