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)
the bride's eyes were downcast, trying to peek at the groom
No, except at the beginning of a sentence because it is n ot a proper n ou n.
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
The groom wore a red lapel rose on his suit.A lapel is part of a garment, an extension from the collar.
In the old days, some rulers hired a matchmaker to find a suitable bride or groom.
Groom as in bride and groom
The popularity of the bride and groom was a joy to behold.