BLOCK SYSTEM n.
ch the track is divided into short sections, as of three or four miles, and trains are so run by the guidance of electric, or combined electric and pneumatic, signals that no train enters a section or block until the preceding train has left it, as in absolute blocking, or that a train may be allowed to follow another…
BODY n.
The trunk, or main part, of a person or animal, as distinguished from the limbs and head; the main, central, or principal part, as of a tree, army, country, etc. Who set the body and the limbs Of this great sport together Shak. The van of the king's army was led by the general; . . . in the body was the king and the pr…