reefing noun2 •The process of reefing (taking in a sail); an act of reefing; also used of clothing.I will not detain the reader with the contents of our sea-log, which is full of tackings and reefings, of setting and taking in of sails, and many other manoeuvres[…]. — 1852 •(Australia, New-Zealand) A reef (seam of quartz).Alluvial goldfields and quartz reefings are in its vicinity, and good indications of coal. — 1924 formsreefings
