Here's how it's used:
* Medical: A "sanguineous discharge" is a discharge containing blood.
* Descriptive: You might describe a scene as "sanguineous" if it's bloody and gruesome.
* Figurative: "Sanguineous" can be used metaphorically to suggest a strong emotional connection to something, like a "sanguineous love".
Important Note: While "sanguine" often refers to being optimistic, it's not related to "sanguineous". They have separate meanings and origins.