Rough-tree. An unfinished spar.
Round in. To haul in on a rope, especially a weather-brace.
Round up. To haul up on a tackle.
Rounding. A service of rope, hove round a spar or larger rope.
Rowlocks, or Rollocks. Places cut in the gunwale of a boat for the oar to rest in while pulling.
Royal. A light sail next above a topgallant sail. (See Plate 2.)
Royal Yard. The yard from which the royal is set. The fourth from the deck. (See Plate 1.)
Rubber. A small instrument used to rub or flatten down the seams of a sail in sail-making.
Rudder. The machine by which a vessel or boat is steered.
Run. The after part of a vessel's bottom, which rises and narrows in approaching the stern-post.