Main definitions of one-drop in English

: one-drop1one-drop2

one-drop1

Pronunciation /ˈwʌndrɒp/

noun

Caribbean
  • A type of drum rhythm used in reggae music, with strong emphasis on the third beat rather than the expected first and third in a bar of four beats; (also) music featuring this type of rhythm. Chiefly attributive: designating such a rhythm or type of music.

Origin

1970s. From one + drop.

Main definitions of one-drop in English

: one-drop1one-drop2

one-drop2

Pronunciation /ˈwʌndrɒp/

adjective

historical US
  • Attributive Designating an ideology in which a person is regarded as black if he or she has even the smallest degree of black African ancestry. Frequently in "one-drop rule", "one-drop theory".

Origin

1920s; earliest use found in Pittsburgh Courier. From one + drop.