caltrop, devil's weed, Tribulus terestris -- (tropical annual procumbent poisonous subshrub having fruit that splits into five spiny nutlets; serious pasture weed)
dictionary, definition of, free online dictionary, online dictionary, English dictionary, dict, diction, dictonary, glossary, define, definitions, meaning, word of the day, spelling, pronunciation, dictio, dictiona, dic, dicti, dictionar