Strong's #2145: zakar (pronounced zaw-kawr')
 from 2142; properly, remembered, i.e. a male (of man or animals, as being the most noteworthy sex):--X him, male, man(child, -kind).
Brown-Driver-Briggs Hebrew Lexicon:
 
  zâkâr 
 
 1) male (of humans and animals) (noun masculine)
 2) male (of humans) (adjective)
 
  Part of Speech: see above in Definition
Relation: from H2142
Usage:
This word is used 83 times:
Numbers 31:7: "Moses; all  the males."
Numbers 31:17: "Now therefore kill every  male among the little ones, and kill every woman"
Numbers 31:17: "man by lying  with him."
Numbers 31:18: "that have not known  a man by lying"
Numbers 31:35: "women that known man by lying with  him."
Deuteronomy 4:16: "of any figure, the likeness  of male or female,"
Deuteronomy 15:19: "All the firstling  males that come of thy herd and of thy flock thou shalt sanctify"
Joshua 5:4: "the people that came out  that were males, even all the men of war,"
Joshua 17:2: "and for the children of Shemida: these  were the male children of Manasseh the son of Joseph"
Judges 21:11: "ye shall do, Ye shall utterly destroy every  male, and every that hath lain"
Judges 21:11: "and every that hath lain  by man."
Judges 21:12: "that no man by lying  with any male: and they brought them unto"
1 Kings 11:15: "the slain, after he had smitten every  male in Edom;"
1 Kings 11:16: "he had cut off every  male in Edom:)"
2 Chronicles 31:16: "Beside their genealogy  of males, from three years old"
2 Chronicles 31:19: "by name, to give portions to all  the males among the priests, and to all that were reckoned by genealogies"
Ezra 8:3: "of the sons of Pharosh; Zechariah: and with him were reckoned by genealogy  of the males and fifty."
Ezra 8:4: "the son of Zerahiah, and with him two hundred  males."
Ezra 8:5: "of Jahaziel, and with him three hundred  males."
Ezra 8:6: "the son of Jonathan, and with him fifty  males."
Ezra 8:7: "the son of Athaliah, and with him seventy  males."
Ezra 8:8: "the son of Michael, and with him fourscore  males."
Ezra 8:9: "of Jehiel, and with him two hundred and eighteen  males."
Ezra 8:10: "of Josiphiah, and with him a hundred and threescore  males."
Ezra 8:11: "of Bebai, and with him twenty and eight  males."
Ezra 8:12: "of Hakkatan, and with him a hundred and ten  males."
Ezra 8:13: "Eliphelet, Jeiel, and Shemaiah, and with  males."
Ezra 8:14: "Uthai, and Zabbud, and with them seventy  males."
Isaiah 66:7: "her pain came, she was delivered  of a man child."
Jeremiah 20:15: "to my father, saying,  A man is born unto thee; making him very glad."
Jeremiah 30:6: "ye now, and see whether  a man doth travail with child? wherefore do I see"
Ezekiel 16:17: "and of my silver, which I had given thee, and madest  of men, and didst commit whoredom"
Malachi 1:14: "be the deceiver, which hath in his flock  a male, and voweth, and sacrificeth unto the Lord"