noun
Usage: usually capitalized I
Etymology: indian (II) 2
1.
a. : a tropical American arrowroot ( Maranta arundinacea )
b. : starch from this arrowroot — called also West Indian arrowroot
2.
[ indian (II) 1]
a. : a stemless perennial herb ( Tacca leontopetaloides ) widely cultivated in the tropics for its starchy tuberous rootstock
b. : starch from this plant — called also East Indian arrowroot