Sentence:  <WSD>Arrowroot</WSD> is made from "Zamia angustifolia" in the Bahamas, etc. Under the local name of Coonti an <WSD>arrowroot</WSD> is prepared in Florida from the fecula of "Zamia integrifolia". ... <WSD>Arrowroot</WSD> prepared in Queensland from "Encephalartus" ("Zamia") "spiralis" was shown in 1872 at the London Exhibition. 
Meaning of the word marked with <WSD> tags:  A starchy substance obtained from the rhizomes of an arrowroot plant used as a thickener.