Definition of bouillons:
(n) :
A clear seasoned broth made by simmering usually light meat, such as beef or chicken.
(n) :
A similar broth made by reconstituting, that is, by adding hot water to dried powder concentrate; the dried powder concentrate itself.
(n) :
An excrescence on a horse's frush or frog.
(n) :
A city in Luxemburg, Brussels, Belgium.