'Lard oil' definitions:

Definition of 'lard oil'

From: WordNet
noun
Oil consisting chiefly of olein that is expressed from lard and used especially as a lubricant, cutting oil or illuminant

Definition of 'Lard oil'

From: GCIDE
  • Lard \Lard\ (l[aum]rd), n. [F., bacon, pig's fat, L. lardum, laridum; cf. Gr. (?) fattened, fat.]
  • 1. Bacon; the flesh of swine. [Obs.] --Dryden. [1913 Webster]
  • 2. The fat of swine, esp. the internal fat of the abdomen; also, this fat melted and strained. [1913 Webster]
  • Lard oil, an illuminating and lubricating oil expressed from lard.
  • Leaf lard, the internal fat of the hog, separated in leaves or masses from the kidneys, etc.; also, the same melted. [1913 Webster]