arrowroot

(noun) a nutritive starch obtained from the root of the arrowroot plant.

(noun) white-flowered West Indian plant whose root yields arrowroot starch. Synonyms: American arrowroot, obedience plant, Maranta arundinaceae.

(noun) canna grown especially for its edible rootstock from which arrowroot starch is obtained. Synonyms: achira, indian shot, Canna indica, Canna edulis.