Strong's #5707: `ed (pronounced ayd)
 contracted from 5749 ; concretely, a witness; abstractly, testimony; specifically, a recorder, i.e. prince:--witness.
Brown-Driver-Briggs Hebrew Lexicon:
 
  ‛êd 
 
 1) witness
 
 1a) witness, testimony, evidence (of things)
 1b) witness (of people)
 
  Part of Speech: noun masculine
Relation: contracted from H5749
Usage:
This word is used 69 times:
Proverbs 21:28: "A false  witness shall perish: but the man that heareth speaketh constantly."
Proverbs 24:28: "Be not  a witness against thy neighbor without cause; and deceive not with thy lips."
Proverbs 25:18: "A man that beareth false  witness against his neighbor is a maul, and a sword, and a sharp"
Isaiah 8:2: "And I took unto me faithful  witnesses to record, Uriah the priest, and Zechariah the son"
Isaiah 19:20: "And it shall be for a sign  and for a witness unto the LORD of hosts in the land of Egypt: for"
Isaiah 43:9: "and show us former things? let them bring forth  their witnesses, that they may be justified: or let them hear, and say, It is truth."
Isaiah 43:10: "Ye  are my witnesses, saith the LORD, and my servant whom I have chosen: that"
Isaiah 43:12: "when there was no strange god among you: therefore ye  are my witnesses, saith the LORD, that I am God."
Isaiah 44:8: "thee from that time, and have declared it? ye  are even my witnesses. Is there a God beside"
Isaiah 44:9: "shall not profit; and they  are their own witnesses; they see not, nor know;"
Isaiah 55:4: "Behold, I have given  him for a witness to the people, a leader and commander to the people."
Jeremiah 29:23: "I have not commanded them; even I know,  and am a witness, saith the LORD."
Jeremiah 32:10: "the evidence, and sealed it, and took  witnesses, and weighed him the money in the balances."
Jeremiah 32:12: "of Hanameel mine uncle's son, and in the presence  of the witnesses that subscribed the book of the purchase, before"
Jeremiah 32:25: "thee the field for money, and take  witnesses; for the city is given into the hand of the Chaldeans."
Jeremiah 32:44: "evidences, and seal them, and take  witnesses in the land of Benjamin, and in the places about Jerusalem,"
Jeremiah 42:5: "be a true and faithful  witness between us, if we do not even"
Micah 1:2: "and let the Lord GOD be  witness against you, the Lord from his holy temple."
Malachi 3:5: "you to judgment; and I will be a swift  witness against the sorcerers, and against the adulterers, and against false swearers,"