chord chord /ˈkɔrd/

noun

1. () A combination of three or more notes that blend harmoniously when sounded together  ( chord )
   a combination of three or more notes that blend harmoniously when sounded together
    The pianist struck a resonant chord, setting the mood for the concert.
   The pianist struck a resonant chord, setting the mood for the concert.
   
   
2. () A straight line connecting two points on a curve  ( chord )
   a straight line connecting two points on a curve
    The architect drew a chord to determine the curve's exact measurements.
   The architect drew a chord to determine the curve's exact measurements.
   
   

verb

1. (music) bring into consonance, harmony, or accord while making music or singing  ( chord , harmonise [British] , harmonize )
   (music) bring into consonance, harmony, or accord while making music or singing
   
2. (music) play chords on (a stringed instrument)  ( chord )
   (music) play chords on (a stringed instrument)