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:
1 Samuel 14:37: "And Saul of God,  Shall I go down after the Philistines? wilt thou deliver them into the hand"
1 Samuel 15:6: "the Kenites, Go, depart,  get you down from among the Amalekites, lest"
1 Samuel 15:12: "a place, and is gone about, and passed on,  and gone down to Gilgal."
1 Samuel 17:8: "to Saul? choose you a man  for you, and let him come down to"
1 Samuel 17:28: "against David, and he said, Why  camest thou down hither? and with whom hast thou left those"
1 Samuel 17:28: "and the naughtiness of thine heart; for  thou art come down that thou mightest see the battle."
1 Samuel 19:12: "So Michal  let David down through a window: and he went, and fled,"
1 Samuel 20:19: "And when thou hast stayed three days,  then thou shalt go down quickly, and come to the place where thou didst hide thyself"
1 Samuel 21:13: "the doors of the gate, and let his spittle  fall down upon his beard."
1 Samuel 22:1: "and all his father's house heard  it, they went down thither to"
1 Samuel 23:4: "answered him and said, Arise,  go down to Keilah; for I will deliver"
1 Samuel 23:6: "to David to Keilah,  that he came down with an ephod in his hand."
1 Samuel 23:8: "all the people together to war,  to go down to Keilah, to besiege David"
1 Samuel 23:11: "deliver me up into his hand? will Saul  come down, as thy servant hath heard? O LORD"
1 Samuel 23:11: "thy servant. And the LORD said,  He will come down."
1 Samuel 23:20: "Now  come down according to all the desire of thy soul to come down; and our part shall be to deliver"
1 Samuel 23:20: "according to all the desire of thy soul  to come down; and our part shall be to deliver him into the king's hand."
1 Samuel 23:25: "to seek him. And they told David:  wherefore he came down into a rock, and abode in the wilderness of Maon."
1 Samuel 25:1: "at Ramah. And David arose,  and went down to the wilderness of Paran."
1 Samuel 25:20: "rode on the ass,  that she came down by the covert of the hill, and, behold, David"
1 Samuel 25:20: "and, behold, David and his men  came down against her; and she met"
1 Samuel 25:23: "David, she hasted,  and lighted off the ass, and fell"
1 Samuel 26:2: "Then Saul  and went down to the wilderness of Ziph, having three thousand"
1 Samuel 26:6: "to Joab, saying, Who  will go down with me to Saul to"
1 Samuel 26:6: "And Abishai said, I  will go down with"
1 Samuel 26:10: "his day shall come to die; or  he shall descend into battle, and perish."
1 Samuel 29:4: "to his place which thou hast appointed him, and let him not  go down with"
1 Samuel 30:15: "And David to  him, Canst thou bring me down to this company? And he said,"
1 Samuel 30:15: "deliver me into the hands of my master,  and I will bring thee down to this company."
1 Samuel 30:16: " And when he had brought him down, they were spread abroad upon all the earth, eating"
1 Samuel 30:24: "matter? but as his part  is that goeth down to the battle, so shall his part be that tarrieth by"
2 Samuel 5:17: "David; and David heard  of it, and went down to the hold."
2 Samuel 11:8: "And David to Uriah,  Go down to thy house, and wash thy feet. And Uriah"
2 Samuel 11:9: "all the servants of his lord,  and went not down to his house."
2 Samuel 11:10: "saying, Uriah  went not down unto his house, David"
2 Samuel 11:10: "not from thy journey? why then didst thou not  go down unto thine house?"
2 Samuel 11:13: "with the servants of his lord,  but went not down to his house."
2 Samuel 17:18: "which had a well in his court; whither  they went down."
2 Samuel 19:16: "which was of Bahurim, hasted  and came down with the men of Judah"
2 Samuel 19:20: "of all the house of Joseph  to go down to meet my lord the king."
2 Samuel 19:24: "And Mephibosheth of Saul  came down to meet the king, and had neither dressed"
2 Samuel 19:31: "And Barzillai  came down from Rogelim, and went over Jordan with"
2 Samuel 21:15: "again with Israel; and David  went down, and his servants with him, and fought against"
2 Samuel 22:10: "He bowed  also, and came down; and darkness was under his feet."
2 Samuel 23:13: "And three chief  went down, and came to David in"
2 Samuel 23:20: "two lionlike men of Moab: he  went down also and slew"
2 Samuel 23:21: "man: and the Egyptian had a spear in his hand;  but he went down to him with a staff, and plucked"
1 Kings 1:25: "For  he is gone down this day, and hath slain oxen and fat cattle and sheep in abundance,"
1 Kings 1:33: "to ride upon mine own mule,  and bring him down to Gihon:"
1 Kings 1:38: "of Jehoiada, and the Cherethites, and the Pelethites,  went down, and caused Solomon to ride upon"