Assertion: water chestnut | /r/HasProperty | the name
Facets:
Source sentences:
text: Finally, “the name Trapa is derived from the Latin calcitrapa, in reference to a caltrop (or caltrap), the name for a four-spined iron ball that was used in ancient warfare to hinder the advancing enemy cavalry” (Haber, 1999.).
text: Water chestnut is the name given to slightly varying plants.