Catadromus, R. (from κατὰ and δρόμος, i. e. a running down). A tight-rope for acrobats in a circus or amphitheatre. The catadromus was stretched in a slanting direction from a point in the arena to the top of the building.

Catafaltus, Med. Lat. (See Cagasuptus.)

Catagrapha, Gr. and R. (κατα-γραφὴ, i. e. a drawing or marking down). A painting in perspective (rarely met with in the works of the ancient painters).

Cataphracta, Gr. and R. (κατα-φράκτης, i. e. that which covers up). A general term to denote any kind of breastplate worn by the Roman infantry. [Cataphracti were heavy-armed cavalry, with the horses in armour.]

Cataphracti. Decked vessels, in opposition to aphracti, open boats.

Catapirates, Gr. and R. (κατα-πειρατὴς, i. e. that which makes trial downwards). A sounding lead, of an ovoid form, with tallow or a kind of glue at the end, by means of which sailors were able to ascertain the nature of the bottom.

Catapulta, Gr. and R. (κατα-πέλτης, i. e. that which hurls). A military engine for discharging heavy missiles. The ballista projected stones; the catapult, darts; the scorpio (uncertain). They were all called tormenta, from the twisting of the ropes of hairs or fibres which supplied the propelling force.

Catascopium, Gr. and R. (dimin. of Catascopus, q.v.). A post of observation or sentry tower.

Catascopus, Gr. and R. (κατάσκοπος, i. e. that which explores or spies). (1) A post of observation. (2) A vessel employed as a spy-ship; and by analogy (3) a scout, i. e. a soldier whose duty is to act as a spy on the enemy.

Catasta (from κατάστασις, i. e. a place of presentation). A platform upon which slaves were placed to be publicly sold. Some scaffolds of this kind were made to revolve, so that the purchaser might thoroughly inspect every part of the slave at his leisure. Catasta arcana was the name given to a gridiron, or iron bed, upon which criminals were laid to undergo torture. (See Gridiron.)