noun
groom
GROOM/ɡrˈum/
A man who is about to marry or has just married.
The groom places a wedding ring on his bride's finger.

Etymology
Guma, “man,” was the second element of bridegroom, literally “bride-man.” Groom in the wedding sense is a shortening of that compound, retaining its reference to the man marrying the bride.
In context
it's customary for a bride and groom to fast on the day of their wedding this fasting is in recognition of the fact that they're beginning a new life together
More examples
- The groom tries on his suit a week before the wedding.
- Both grooms greet their guests at the reception.
- The photographer asks the groom to stand beside the bride.
Forms
groom · grooms
Similar words
- bridegroom
- Means the same thing, but is less common.
- fiancé
- Refers to an engaged man before the wedding.