SIDE-BOYS, or Side-men. Those appointed to attend the gangways when boats come alongside, and offer the man-ropes to the officer ascending.
SIDE COUNTER-TIMBER. The stern timber which partakes of the shape of the top-side, and heels upon the end of the wing-transom.
SIDE-KEELSONS. A name for sister-keelsons. First used in mortar-vessels to support the bomb-beds; later they have crept in to support the engines in steamers, and furnish a free flow beneath their flooring for the water, as well as for ventilation.
SIDE-LADDER, or Accommodation-ladder. A complete staircase structure used in harbour by most large ships.
SIDE-LEVER. A lever on each side of the cylinder of a marine steam-engine, resembling the beam of the ordinary land-engine. (See [Lever].)
SIDE OUT FOR A BEND, To. The old well-known term to draw the bight of a hempen cable towards the opposite side, in order to make room for the bight being twined to coil it in the tier. The most expert and powerful seamen were selected for this duty, now rare.
SIDE-PIECES. Parts of a made mast.
SIDEREAL ASTRONOMY. That branch of the science which relates to the fixed stars.
SIDEREAL DAY. The interval between the departure and return of a star to the meridian; in other words, its two successive transits.
SIDEREAL PERIOD. See [Revolution].