Webster's Revised Unabridged Dictionary · 1913

Interlard

Interlard , transitive verb

[French entrelarder. See Inter-, and Lard.]

1.
To place lard or bacon amongst; to mix, as fat meat with lean. [Obsolete]
Whose grain doth rise in flakes, with fatness interlarded. — Drayton
2.
Hence: To insert between; to mix or mingle; especially, to introduce that which is foreign or irrelevant; as, to interlard a conversation with oaths or allusions.
The English laws... [were] mingled and interlarded with many particular laws of their own. — Sir M. Hale
They interlard their native drinks with choice Of strongest brandy. — J. Philips