"arrowroots" in the noun sense
1. arrowroot
a nutritive starch obtained from the root of the arrowroot plant
2. arrowroot, American arrowroot, obedience plant, Maranta arundinaceae
white-flowered West Indian plant whose root yields arrowroot starch
3. achira, indian shot, arrowroot, Canna indica, Canna edulis
canna grown especially for its edible rootstock from which arrowroot starch is obtained
Source: WordNet® (An amazing lexical database of English)
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