A fife rail is a design element of the bulwarks of a European-style sailing ship used to belay the ship`s halyards at the base of a mast. When surrounding a mast, a fife rail is sometimes referred to specifically by the name of the mast with which it is associated: the main fife rail surrounds the main mast; the mizzen fife rail surrounds the miz.... Found on http://en.wikipedia.org/wiki/Fife_rail
a rail surrounding or next to the mast of a sailing vessel for use in holding the pins to which some of the running rigging is belayed. Cf. pin rail. Found on https://www.infoplease.com/dictionary/fife-rail