It can be a noun or verb.
"Who will groom the horse?" (verb)
"Will you groom the dog?" (verb)
"Who is the groom here?" (noun)
"Does the groom know who sabotaged his car?" (noun)
He was arrested for trying to groom minors over the internet.
My dog loves it when I groom her fur.
The bride and groom were arguing at the bar.
Have you seen the groom brush?
We took the horse for a groom.
Watching a cat groom himself is boring.
The Golf course must have a professional to groom the greens!
the bride's eyes were downcast, trying to peek at the groom
The word "groom" should not be capitalized unless it is used as part of a title or if it is the first word in a sentence.
When Josh looked into the room, he saw the groom waiting for the wedding to start. Alice took the dog into the salon, and asked if someone could groom the shaggy mutt.
the wedding was in great upheaval due to the bride and groom's absence
To use the word 'dog's' in a sentence you could say 'my dog's coat is shiny and silky because I groom her on a weekly basis'.
A temporary marquee was erected in the Gardens to shelter the birde and groom during the wedding ceremony.
The two families pooled their resources to give the bride and groom a truly regal wedding.
bride and groom or horse and groom
In the old days, some rulers hired a matchmaker to find a suitable bride or groom.
The groom wore a red lapel rose on his suit.A lapel is part of a garment, an extension from the collar.
Groom as in bride and groom
The popularity of the bride and groom was a joy to behold.