|Easton's Bible Dictionary|
An instrument of war; a light spear. "Fiery darts" (Ephesians 6:16) are so called in allusion to the habit of discharging darts from the bow while they are on fire or armed with some combustible material. Arrows are compared to lightning (Deuteronomy 32:23, 42; Psalm 7:13; 120:4).
Noah Webster's Dictionary
1. (n.) A pointed missile weapon, intended to be thrown by the hand; a short lance; a javelin; hence, any sharp-pointed missile weapon, as an arrow.
2. (n.) Anything resembling a dart; anything that pierces or wounds like a dart.
3. (n.) A spear set as a prize in running.
4. (n.) A fish; the dace. See Dace.
5. (v. t.) To throw with a sudden effort or thrust, as a dart or other missile weapon; to hurl or launch.
6. (v. t.) To throw suddenly or rapidly; to send forth; to emit; to shoot; as, the sun darts forth his beams.
7. (v. i.) To fly or pass swiftly, as a dart.
8. (v. i.) To start and run with velocity; to shoot rapidly along; as, the deer darted from the thicket.
Int. Standard Bible Encyclopedia
dart (chets; belos): A pointed missile weapon, as an arrow or light spear (2 Samuel 18:14 Job 41:26). See ARMOR; ARMS, III, 4; ARROW. Figurative:
(1) Of the penalty of sin (Proverbs 7:23 the King James Version);
(2) of strong suggestions and fierce temptations to evil (Ephesians 6:16; compare 1 Maccabees 5:51).
Dart (9 Occurrences)
Hebrews 12:20 (For they could not endure that which was commanded, And if so much as a beast touch the mountain, it shall be stoned, or thrust through with a dart: (KJV WBS)
2 Chronicles 23:10 and he stationeth the whole of the people, and each his dart in his hand, from the right shoulder of the house unto the left shoulder of the house, at the altar, and at the house, by the king, round about. (YLT)
Job 33:18 He keepeth back his soul from corruption, And his life from passing away by a dart. (YLT)
Job 36:12 And if they do not hearken, By the dart they pass away, And expire without knowledge. (YLT)
Job 41:19 Out of his mouth go burning lamps, and sparks of fire dart forth. (WBS)
Job 41:21 His breath kindles coals. A flame goes forth from his mouth. (See NIV)
Job 41:26 If one attacks him with the sword, it can't prevail; nor the spear, the dart, nor the pointed shaft. (WEB KJV JPS ASV DBY WBS YLT NAS RSV NIV)
Proverbs 7:23 Till a dart strike through his liver; as a bird hasteth to the snare, and knoweth not that it is for his life. (KJV WBS NIV)
Nahum 2:4 The chariots rage in the streets. They rush back and forth in the broad ways. Their appearance is like torches. They run like the lightnings. (See RSV NIV)