Reefing is a sailing manoeuvre intended to reduce the area of a sail on a sailboat or sailing ship, which can improve the ship`s stability and reduce the risk of capsizing, broaching, or damaging sails or boat hardware in a strong wind. Modern sailboats often combine reefing and furling of sails, as shown in fully furled Genoa headsail of the Bav....
• (n.) The process of taking in a reef. • (p. pr. & vb. n.) of Reef
Surgically reducing the extent of a tissue by folding it and securing with sutures, as in plication. ... (05 Mar 2000) ... 
Reducing the amount of sail area.
Reef'ing noun (Nautical) The process of taking in a reef. Reefing bowsprit , 
Type: Term Pronunciation: rēf′ing Definitions: 1. Surgically reducing the extent of a tissue by folding it and securing with sutures, as in plication.