The word "serinus" is a noun that refers to a group of small birds known as Old World finches. These birds are part of the family called Fringillidae. They are often found in Europe, Africa, and parts of Asia. Two well-known examples of serinus birds are canaries and serins.
In a more scientific context, you might encounter "serinus" in discussions about bird classification, their habitats, behaviors, or conservation status.
In general English use, "serinus" does not have other meanings outside the context of birds. It is primarily used in ornithology (the study of birds).
There are no widely recognized idioms or phrasal verbs specifically related to "serinus," as it is a specialized term. However, you might hear phrases like "sing like a canary," which refers to someone who talks a lot or reveals secrets, but this is not directly related to serinus.
In summary, "serinus" is a term used to describe a group of small finch-like birds. It's primarily used in discussions about bird species and can be seen in both casual and scientific contexts.