Is “Iamb” a Scrabble word?
Yes
IAMB
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 Iamb
/ˈaɪəm/
noun
1.A metrical foot in verse consisting of an unstressed syllable followed by a stressed syllable.
Synonyms: iambus, jambus