Is “Clerihew” a Scrabble word?
Yes
CLERIHEW
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 Clerihew
/ˈklɛɹɨˌhjuː/
noun
1.A humorous rhyme of four lines with the rhyming scheme AABB, usually regarding a person mentioned in the first line.