A more thorough explanation:

Definition: Consummation of marriage refers to the first sexual intercourse between a husband and wife after their marriage.

For example, if John and Jane get married and have sex for the first time on their wedding night, that would be considered the consummation of their marriage.

In some religious traditions, such as Catholicism, a refusal to consummate the marriage can be grounds for an annulment or divorce. However, this is not the case in most modern state laws.

The examples illustrate how consummation of marriage is the first sexual act between a married couple. It is an important aspect of marriage in some religious traditions, but not necessarily in modern legal systems.