Strong's #1755: dowr (pronounced dore)
 or (shortened) dor {dore}; from 1752; properly, a revolution of time, i.e. an age or generation; also a dwelling:--age, X evermore, generation, (n-)ever, posterity.
Brown-Driver-Briggs Hebrew Lexicon:
 ּ / ּ 
  dôr 
 
 1) period, generation, habitation, dwelling
 
 1a) period, age, generation (period of time)
 1b) generation (those living during a period)
 1c) generation (characterised by quality, condition, class of men)
 1d) dwelling-place, habitation
 
  Part of Speech: noun masculine
Relation: from H1752
Usage:
This word is used 167 times:
Isaiah 58:12: "waste places: thou shalt raise up the foundations  of many generations; and thou shalt be called, of the breach,"
Isaiah 58:12: "waste places: thou shalt raise up the foundations of many generations;  of many generations; and thou shalt be called, of the breach,"
Isaiah 60:15: "thee an eternal a joy  of many generations."
Isaiah 60:15: "thee an eternal a joy of many generations.  of many generations."
Isaiah 61:4: "the waste the desolations  of many generations."
Isaiah 61:4: "the waste the desolations of many generations.  of many generations."
Jeremiah 2:31: " O generation, see ye the word of the LORD. Have I been a wilderness unto Israel?"
Jeremiah 7:29: "hath rejected and forsaken  the generation of his wrath."
Jeremiah 50:39: "forever; neither shall it be dwelt in from  generation to generation."
Jeremiah 50:39: "neither shall it be dwelt in from generation  to generation."
Lamentations 5:19: "remainest forever; thy throne  from generation to generation."
Lamentations 5:19: "forever; thy throne from generation  to generation."
Joel 1:3: "tell their children, and their children another  generation."
Joel 2:2: "shall be any more after it, even to the years  of many generations."
Joel 2:2: "shall be any more after it, even to the years of many generations.  of many generations."
Joel 3:20: "shall dwell forever, and Jerusalem  from generation to generation."
Joel 3:20: "forever, and Jerusalem from generation  to generation."