Is “Metonym” a Scrabble word?
Yes
METONYM
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 Metonym
/ˈmɛtənɪm/
noun
1.(grammar) A word that names an object from a single characteristic of it or of a closely related object; a word used in metonymy.
“Calling a government "city hall" is using a metonym.”
2.(by extension) A concept, idea, or word used to represent, typify, or stand in for a broader set of ideas.
Synonyms: synonym