arrowroot

Short definition from Wiktionary

Noun

1. 1
   Maranta arundinacea from the Marantaceae family, a large perennial herb native to the Caribbean area with green leaves about 15 centimeters long.
2. 2
   Usually preceded by an attributive word: some other plant whose rhizomes are used to prepare a substance similar to arrowroot (sense 3), such as Zamia integrifolia (Florida arrowroot) or Pueraria montana var. lobata (Japanese arrowroot or kudzu).
3. 3
   A starchy substance obtained from the rhizomes of an arrowroot plant used as a thickener.
4. 4
   Other plants with similar appearance or properties, such as common yarrow (Achillea millefolium)|