Rigil Kentaurus. Star Centauri. S.H.A. 141°; Dec. S61°; Mag. 0.1. It is, excepting Sun, the star nearest to Earth. Its diameter is about that of the Sun, but its candle power is 1.2 times greater. Distance is 4-3 light years. Also called 'Proxima Centauri', 'Alpha Centaurus', 'Rikent'.
Rigol. Small, curved angle bar over a scuttle in ship's side. Placed to prevent entry of water when scuttle is open and water is running down side. Sometimes called 'Eyebrow'.
Rim.Notched plate, of capstan or windlass, in which a pawl can engage. 2. Top Rim.'
Rime. Rung of a ladder. 2. Hoar frost or frozen dew.
Ring. Ring or shackle in inboard end of anchor shank for attachment of cable.