The word "coital" is an adjective that describes something related to coitus, which is a term for sexual intercourse or the act of sexual mating between two individuals.
In more advanced discussions, "coital" might be used in academic papers or discussions about human sexuality, reproductive health, or animal behavior studies.
While "coital" primarily relates to sexual intercourse, it can also imply the biological functions or processes that occur during this act. It does not have a broader colloquial meaning outside of its medical or scientific context.
There are no specific idioms or phrasal verbs that include "coital," as it is a more formal and specific term. However, in casual conversation, people might use phrases like "making love" or "having sex" instead.
In summary, "coital" is a formal adjective used to refer to anything connected to the act of sexual intercourse.