Edible entrails, as of deer

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
"offal," from Old French nombles "loin of veal, fillet of beef, haunch of venison," from Latin lumulus , diminutive of lumbus "loin" (see lumbago ).

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Nombles \Nom"bles\, n. pl. [F. nombles, fr. L. lumbulus, dim. of lumbus a loin. Cf. Numbles , Umbles , Humbles .] The entrails of a deer; the umbles. [Written also numbles .] --Johnson.

Wiktionary Word definitions in Wiktionary
n. (context archaic English) The entrails of a deer or other animal, used for food.