n.
Function: noun
Etymology: Dutch rif, from Middle Dutch, from Old Norse, literally rib; akin to Old English ribb rib ― more at RIB
Date: 1584
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 : LODE , VEIN
– reefy \ ' r ē -f ē \ adjective