It is a term which refers to diamonds with an intense yellow hue. If the yellow make the stone very distinctive, then the term "fancy yellow" is also often used.
A piece of data, the absence of which indicates a violation of a security policy. Several tools use a canary for preventing certain stack-smashing buffer overflow attacks. See Also: Buffer overflow, Stack smashing
Status: the commonest resident bird in Belgium. Habitat: small cages in apartment blocks, window boxes, market stalls. Song: a cheery continuous warbling whistle that easily penetrates walls and ceases to be cheery after the first half hour.