[pahy-lon] /ˈpaɪ lɒn/
a marking post or tower for guiding aviators, frequently used in races.
a relatively tall structure at the side of a gate, bridge, or avenue, marking an entrance or approach.
a monumental tower forming the entrance to an ancient Egyptian temple, consisting either of a pair of tall quadrilateral masonry masses with sloping sides and a doorway between them or of one such mass pierced with a doorway.
a steel tower or mast carrying high-tension lines, telephone wires, or other cables and lines.
Aeronautics. a finlike device used to attach engines, auxiliary fuel tanks, bombs, etc., to an aircraft wing or fuselage.
a large vertical steel tower-like structure supporting high-tension electrical cables
a post or tower for guiding pilots or marking a turning point in a race
a streamlined aircraft structure for attaching an engine pod, external fuel tank, etc, to the main body of the aircraft
a monumental gateway, such as one at the entrance to an ancient Egyptian temple
a temporary artificial leg
1823, “gateway to an Egyptian temple,” from Greek pylon “gateway,” from pyle “gate, wing of a pair of double gates; an entrance, entrance into a country; mountain pass; narrow strait of water,” of unknown origin. Meaning “tower for guiding aviators” (1909) led to that of “steel tower for high-tension wires” (1923).
noun 1. .
[pir-uh-mid-i-kuh l] /ˌpɪr əˈmɪd ɪ kəl/ adjective 1. .
- Pyramid of light
pyramid of light n. A triangular area of reflected light at the lower part of the eardrum seen on examination of the ear.
- Pyramid of medulla oblongata
pyramid of medulla oblongata n. An elongated white prominence on the ventral surface of the medulla oblongata on either side along the anterior median fissure, corresponding to the pyramidal tract. Also called anterior pyramid.