Also found in: Dictionary, Thesaurus, Medical, Acronyms, Encyclopedia, Wikipedia.
Related to reef: billabong

reef a sail in

to reduce the area of a ship's sail, by folding the sail. The first mate ordered the sailors to reef the sails in. They had to reef in the sails.
See also: reef, sail


1. n. a refrigerator. A new reefer costs nearly $1,000!
2. and reef n. cannabis; a marijuana cigarette. (Drugs. Akin to greefo.) He had a fat reef in his hand when he was busted.


See reefer
References in periodicals archive ?
The mats are then deployed in a quilt-like fashion on top of a dead reef, which has been leveled to low intertidal height.
But while there is existing research into the benefits of marine reserves, there is limited understanding of how long it takes reef fishes to recover once protected from fishing.
Great Barrier Reef Marine Park Authority Tourism and Stewardship Director Karen Vohland said all local actions, big or small, were important to the health of the Great Barrier Reef.
The Great Barrier Reef is the largest coral reef in the world.
They just dropped another, Joe Patti's Reef, and there's the Three Barges and the USS Massachusetts just outside Pensacola Pass.
BALTIMORE, July 30, 2013 /PRNewswire/ -- Sleek, fast-moving blacktip reef sharks will today dive into their new home at the Blacktip Reef exhibit in Baltimore's Inner Harbor.
Above the reef: Cairns Seaplanes take off from the centre of the city and fly over the reef and its coral cays.
The red snapper is a reef-associated fish that uses reef habitat as a resource for both shelter and prey (Ouzts and Szedlmayer, 2003; Szedlmayer and Lee, 2004; Piko and Szedlmayer, 2007; Gallaway et al.
By giving countries from all over the world the opportunity to rapidly assess the state of their reef resources, this project will allow these countries the important baseline and rapid assessment technologies to measure the direction of change and to prioritize their management interventions.
The reef shutdown, which began 4,000 years ago, corresponds to a period of dramatic swings in the El Nino-Southern Oscillation (ENSO).
The UN's environmental department UNESCO warned that if the imminent threat to the reef from industrial development was not dealt with and substantial progress made, it would consider listing the reef as a world heritage site "in danger".
Take the concept of an artificial reef, typically rock tailings, rip rap, and or concrete shapes that had no tourism value and fundamentally redesign the concept to create entire worlds underwater for tourism.
For the first time, the report identifies the 27 nations most socially and economically vulnerable to coral reef degradation and loss.
These reefs do not reduce area as a standard percentage; in fact, a first reef will reduce more area because the sail is wider at the bottom.