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1

reef

play
noun \ˈrēf\

Definition of reef

  1. 1 :  a part of a sail taken in or let out in regulating size

  2. 2 :  reduction in sail area by reefing



Origin of reef

Middle English riff, from Old Norse rif; probably akin to Old Norse rīfa to rend — more at rive


First Known Use: 14th century

Other Nautical Terms

Rhymes with reef


2

reef

verb

Definition of reef

  1. transitive verb
  2. 1 :  to reduce the area of (a sail) by rolling or folding a portion

  3. 2 :  to lower or bring inboard (a spar) wholly or partially

  4. intransitive verb
  5. :  to reduce a sail by taking in a reef

reef·able play \ˈrē-fə-bəl\ adjective


1667

First Known Use of reef

1667

Other Nautical Terms


3

reef

noun

Definition of reef

  1. 1 a :  a chain of rocks or coral or a ridge of sand at or near the surface of water — compare atoll, barrier reef b :  a hazardous obstruction

  2. 2 :  lode, vein

reefy play \ˈrē-fē\ adjective


Origin of reef

Dutch rif, from Middle Dutch, from Old Norse, literally rib; akin to Old English ribb rib — more at rib


First Known Use: 1584

Other Oceanography Terms



REEF Defined for Kids

reef

play
noun \ˈrēf\

Definition of reef

  1. :  a chain of rocks or coral or a ridge of sand at or near the surface of water





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