Furl is a 4 letter English word. It's valid Scrabble word worth 7 points. It's valid Words with friends word worth 9 points.
You can make 21 anagrams from letters in furl (flru).
1550-60; compare Middle French ferler in same sense, perhaps representing Old French ferlier to chain, fasten, equivalent to fer firm (Latin firmus) + lier to bind (Latin ligāre)
These sails are frequently made to furl and unfurl like a fan.
furl topgallant-sails, and down with the royal and topgallant-yards!
Jim and I were sent aloft to the fore-topgallant sailyard to furl the sail.
Every effort was made to clear the wreck and to furl the sails.
"You can furl her sails, and throw over her anchor," said he after a moment's consideration.
We are going to loose and furl, and you can see better there than here.
I'll take the two boys for'ard, an' you ease her up a bit so we can furl the jib.
At midnight, orders were given to furl the fore and mizen topsails.
Let go the topgallant and topsail halliards, and clew up and furl the sails.
furl—To roll up and make sails fast so that the wind cannot distend them.