thousand thousand /ˈθaʊzən/

adjective

1. () Denoting a quantity consisting of 1,000 items or units  ( k , m , one thousand , 1000 , thousand )
   denoting a quantity consisting of 1,000 items or units
     The charity raised a thousand dollars for the cause.
   The charity raised a thousand dollars for the cause.
   

noun

1. () The cardinal number that is the product of 10 and 100  ( 1000 , chiliad , G , grand , K , M , one thousand , thou , yard , thousand )
   the cardinal number that is the product of 10 and 100
    There are one thousand meters in a kilometer
   There are one thousand meters in a kilometer