1. kibble(n = noun.food) - coarsely ground grain in the form of pellets (as for pet food);
is a kind of meal
2. kibble(n = noun.artifact) - an iron bucket used for hoisting in wells or mining;
is a kind of bucket, pail
To bruise; to grind coarsely; as, kibbled oats. Halliwell. [1913 Webster]
A large iron bucket used in Cornwall and Wales for raising ore out of mines. [1913 Webster]
kibble, v.tr. grind coarsely.
kibble, n. Brit. an iron hoisting-bucket used in mines.
Etymology:
G K{uuml}bel (cf. OE cyfel) f. med.L cupellus, corn-measure, dimin. of cuppa cup