Definify.com

Webster 1913 Edition

Noun.

[

Fat

-ling

A calf, lamb, kid, or other young animal fattened for slaughter; a fat animal; – said of such animals as are used for food.

He sacrificed oxen and

fatlings

2 Sam. vi. 13.

Noun.

[from fat.] A lamb, kid or other young animal fattened for slaughter; a fat animal; applied to quadrupeds whose flesh is used for food.

David sacrificed oxen and fatlings. 2Sam. 6.

fatling ‎(plural fatlings)

A young animal (especially a calf or lamb) which has been fattened for slaughter.
- 1526, William Tyndale, trans. Bible, Matthew XXIII:
  Lo I have prepared my dynner, myne oxen and my fatlinges are kylled, and all thinges are redy, come unto the mariage.
- 1611, Bible (King James Version), Isaiah 11:6:
  The wolf also shall dwell with the lamb, and the leopard shall lie down with the kid; and the calf and the young lion and the fatling together; and a little child shall lead them.