Strong's #1482: guwr (pronounced goor)
 or (shortened) gur {goor}; perhaps from 1481; a cub (as still abiding in the lair), especially of the lion:--whelp, young one.
Brown-Driver-Briggs Hebrew Lexicon:
 ּ / ּּ 
  gûr 
 
 1) cub, whelp, young
 
  Part of Speech: noun masculine
Relation: perhaps from H1481
Usage:
This word is used 7 times:
Genesis 49:9: "Judah is a lion's  whelp: from the prey, my son, thou art gone up: he stooped down,"
Deuteronomy 33:22: "he said, is a lion's  whelp: he shall leap from Bashan."
Lamentations 4:3: "the breast, they give suck  to their young ones: the daughter of my people is become cruel, like the ostriches"
Ezekiel 19:2: "among lions, she nourished  her whelps among young lions."
Ezekiel 19:3: "And she brought up one  of her whelps: it became a young lion, and it learned to catch"
Ezekiel 19:5: "was lost, then she took another of her whelps,  of her whelps, and made him a young lion."
Nahum 2:11: "the lion, even the old lion, walked, and the lion's  whelp, and none made them afraid?"