Lucifer

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. The archangel cast from heaven for leading the revolt of the angels; Satan.
2. n. The planet Venus in its appearance as the morning star.
3. n. A friction match.

Century Dictionary and Cyclopedia

1. n. The morning star; the planet Venus when she appears in the morning before sunrise : when she follows the sun, or appears in the evening, she is called Hesperus, or the evening star. Applied by Isaiah figuratively to a king of Babylon.
2. n. The prince of darkness; Satan. [This use arises from an early opinion that in the above passage from Isaiah reference was made to Satan.]
3. n. [lowercase] A match ignitible by friction with any surface, or with a specially prepared surface. It is usually made of a small splint of wood tipped with some inflammable substance, as a mixture of potassium chlorate and antimony sulphid, or more commonly of phosphorus and potassium nitrate. Also called lucifer match.
4. n. The typical genus of Luciferidæ.
5. n. A genus of humming-birds. A species of northern Mexico and adjoining parts of the United States is Trochilux or Calothorax lucifer, having the gorgelet prolonged into a ruff.

Wiktionary

1. n. A figure mentioned in Isaiah 14:12, generally identified with Satan.
2. n. The planet Venus as the daystar.

GNU Webster's 1913

1. n. The planet Venus, when appearing as the morning star; -- applied in Isaiah by a metaphor to a king of Babylon.
2. n. Hence, Satan.
3. n. A match{1} made of a sliver of wood tipped with a combustible substance, and ignited by friction; -- called also lucifer match, and locofoco, now most commonly referred to as a friction match. See Locofoco.
4. n. (Zoöl.) A genus of free-swimming macruran Crustacea, having a slender body and long appendages.

WordNet 3.0

1. n. (Judeo-Christian and Islamic religions) chief spirit of evil and adversary of God; tempter of mankind; master of Hell
2. n. lighter consisting of a thin piece of wood or cardboard tipped with combustible chemical; ignites with friction
3. n. a planet (usually Venus) seen just before sunrise in the eastern sky