Also see definition of "greaves" in Bible Study Dictionaries
Word Study
greaves
CIDE DICTIONARY
greaves, n. pl. [Cf. dial. Sw. grevar greaves, LG. greven, G. griebe, also AS. greofa pot. Cf. Gravy.].
The sediment of melted tallow. It is made into cakes for dogs' food. In Scotland it is called cracklings . [1913 Webster]
Also see definition of "greaves" in Bible Study Dictionaries
For further exploring for "greaves" in Webster Dictionary Online