What is "cra"

CRA is the abbreviation for:

• Cannabinoid Receptor Agonist, typically in reference to a synthetic cannabinoid receptor agonist
• Central retinal artery, branches off the ophthalmic artery, running inferior to the optic nerve within its dural sheath to the eyeball
• Child Rescue Alert, the UK equivalent of AMBER alert
• Country risk assessment, an analysis of investment risk in foreign countries
• Custom Robo Arena, known in Japan as Gekitō! Custom Robo, a science fiction role playing game for the Nintendo DS
• Corona Australis (constellation) or Corona Austrina, a constellation in the Southern Hemisphere