#oat  annual grass of Europe and North Africa; grains used as food and fodder (referred to primarily in the plural: `oats')
  supertype:  cereal_grass__cereal  grass whose starchy grains are used as food: wheat; rice; rye; oats; maize; buckwheat; millet
  member of:  genus_Avena
  subtype:  cereal_oat__Avena_sativa  widely cultivated in temperate regions for its edible grains
  subtype:  wild_oat_grass__wild_oat__Avena_fatua  common in meadows and pastures
  subtype:  slender_wild_oat__Avena_barbata  oat of southern Europe and southwestern Asia
  subtype:  wild_red_oat__animated_oat__Avene_sterilis  Mediterranean oat held to be progenitor of modern cultivated oat

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