
Three tines is not a fork.
Three tines is a TRIDENT.
The Big Bang Theory Season 2, Episode 6

After Rhaegar fell on the Trident,
she had a son.
Game of Thrones Season 8, Episode 2

I looked for you on the Trident.
Game of Thrones Season 6, Episode 3

so my son and his bannermen
may cross the Trident and be on their way.
Game of Thrones Season 1, Episode 9

When your brother
led his army into battle at the Trident,
Game of Thrones Season 3, Episode 3