NIAGARA PERIOD n.
A subdivision or the American Upper Silurian system, embracing the Medina, Clinton, and Niagara epoch. The rocks of the Niagara epoch, mostly limestones, are extensively distributed, and at Niagara Falls consist of about eighty feet of shale supporting a greater thickness of limestone, which is gradually undermined by…
RIGGING n.
ls, etc. See Illustr. of Ship and Sails. Running rigging (Naut.), all those ropes used in bracing the yards, making and shortening sail, etc., such as braces, sheets, halyards, clew lines, and the like. -- Standing rigging (Naut.), the shrouds and stays.
SHIN v.
To climb a mast, tree, rope, or the like, by embracing it alternately with the arms and legs, without help of steps, spurs, or the like; -- used with up; as, to shin up a mast. [Slang]