Is “Rock” a Scrabble word?
Yes
ROCK
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Rock
/ɹɒk/
noun
1.A formation of minerals, specifically:
2.A large hill or island having no vegetation.
“Pearl Rock near Cape Cod is so named because the morning sun makes it gleam like a pearl.”
3.Something that is strong, stable, and dependable; a person who provides security or support to another.
Synonyms: Afrikaner, boulder, pebble, stone, crack, ice