Is “Caudex” a Scrabble word?
Yes
CAUDEX
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 Caudex
/ˈkɔːdɛks/
noun
1.An enlargement of the stem, branch or root of a woody plant, usually serving to store water.