Strong's #3381: yarad (pronounced yaw-rad')
 a primitive root; to descend (literally, to go downwards; or conventionally to a lower region, as the shore, a boundary, the enemy, etc.; or figuratively, to fall); causatively, to bring down (in all the above applications); -X abundantly, bring down, carry down, cast down, (cause to) come(-ing) down, fall (down), get down, go(-ing) down(-ward), hang down, X indeed, let down, light (down), put down (off), (cause to, let) run down, sink, subdue, take down.
Brown-Driver-Briggs Hebrew Lexicon:
 
  yârad 
 
 1) to go down, descend, decline, march down, sink down
 
 1a) (Qal)
 
 1a1) to go or come down
 1a2) to sink
 1a3) to be prostrated
 1a4) to come down (of revelation)
 
 1b) (Hiphil)
 
 1b1) to bring down
 1b2) to send down
 1b3) to take down
 1b4) to lay prostrate
 1b5) to let down
 
 1c) (Hophal)
 
 1c1) to be brought down
 1c2) to be taken down
 
  Part of Speech: verb
Relation: a primitive root
Usage:
This word is used 378 times:
Nehemiah 6:3: "should the work cease, whilst I leave  it, and come down to"
Nehemiah 9:13: " Thou camest down mount Sinai, and spakest with them from heaven,"
Job 7:9: "and vanisheth away: so  he that goeth down to the grave shall come up no"
Job 17:16: " They shall go down of the pit, when our rest together is in the dust."
Job 33:24: "Then he is gracious Deliver him from going down  him from going down to the pit: I have found a ransom."
Psalms 7:16: "upon his own head, and his violent dealing  shall come down upon his own pate."
Psalms 18:9: "He bowed  also, and came down: and darkness was under his feet."
Psalms 22:29: "shall eat and worship: all  they that go down to the dust shall bow before him: and none"
Psalms 28:1: "if thou be silent to me, I become like  them that go down into the pit."
Psalms 30:3: "from the grave: thou hast kept me alive, that I should not go down  that I should not go down to the pit."
Psalms 30:9: "What is there in my blood,  when I go down to the pit? Shall the dust praise"
Psalms 49:17: "nothing away: his glory shall not  descend after"
Psalms 55:15: "Let death upon  them, and let them go down quick into hell: for wickedness"
Psalms 55:23: "But thou,  shalt bring them down into the pit of destruction: bloody and deceitful men"
Psalms 56:7: "by iniquity? in thine anger  cast down the people, O God."
Psalms 59:11: "forget: scatter them by thy power;  and bring them down, O Lord our shield."
Psalms 72:6: " He shall come down upon the mown grass: as showers that water the earth."
Psalms 78:16: "He brought streams also out and caused waters  to run down like rivers."
Psalms 88:4: "I am counted  them that go down into the pit: I am as a man that hath no strength:"
Psalms 104:8: "They go up  they go down by the valleys unto the place which thou hast founded"
Psalms 107:23: " They that go down in ships, that do business in great waters;"
Psalms 107:26: "They mount up  they go down again to the depths: their soul is melted because of trouble."
Psalms 115:17: "the LORD, neither any  that go down into silence."
Psalms 119:136: "Rivers  run down mine eyes, because they keep not thy law."
Psalms 133:2: "upon the head,  that ran down upon the beard, even Aaron's beard:"
Psalms 133:2: "the beard, even Aaron's beard: that went down  that went down to the skirts of his garments;"
Psalms 133:3: "As the dew and as the dew that descended  and as the dew that descended upon the mountains of Zion: for"
Psalms 143:7: "from me, lest I be like unto  them that go down into the pit."
Psalms 144:5: "Bow O LORD,  and come down: touch the mountains, and they shall smoke."
Proverbs 1:12: "as the grave; and whole,  as those that go down into the pit:"
Proverbs 5:5: "Her feet  go down to death; her steps take hold on hell."
Proverbs 7:27: "Her house to hell,  going down to the chambers of death."
Proverbs 18:8: "are as wounds, and they  go down into the innermost parts of the belly."
Proverbs 21:22: "the city of the mighty,  and casteth down the strength of the confidence"
Proverbs 26:22: "are as wounds, and they  go down into the innermost parts of the belly."
Proverbs 30:4: "Who into heaven,  or descended? who hath gathered the wind in his fists?"
Ecclesiastes 3:21: "and the spirit of the beast that  goeth downward to the earth?"
Song of Solomon 6:2: "My beloved  is gone down into his garden, to the beds of spices, to feed in the gardens, and to gather"
Song of Solomon 6:11: " I went down the garden of nuts to see the fruits of the valley, and to see"
Isaiah 5:14: "and their multitude, and their pomp, and he that rejoiceth,  shall descend"
Isaiah 10:13: "of the people, and have robbed their treasures,  and I have put down the inhabitants like a valiant"
Isaiah 14:11: "Thy pomp  is brought down to the grave, and the noise of thy viols: the worm is spread under"
Isaiah 14:15: "Yet  thou shalt be brought down to hell, to the sides of the pit."
Isaiah 14:19: "and as the raiment of those that are slain, thrust through with a sword,  that go down to the stones of the pit;"
Isaiah 15:3: "every one shall howl, weeping  abundantly."
Isaiah 30:2: "That walk  to go down into Egypt, and have not asked at my mouth; to strengthen themselves in the strength"
Isaiah 31:1: "Woe  to them that go down to Egypt for help; and stay on horses, and trust"
Isaiah 31:4: "himself for the noise of them: so shall the LORD of hosts  come down to fight for"
Isaiah 32:19: "When it shall hail,  coming down on the forest; and the city shall be low in a low place."
Isaiah 34:5: "shall be bathed in heaven: behold,  it shall come down upon Idumea, and upon the people"