Leas"ing (?), n. [AS. leásung, fr. leás loose, false, deceitful. See -less, Loose, a.] The act of lying; falsehood; a lie or lies. [Archaic] Spenser.

Thou shalt destroy them that speak leasing.

Ps. v. 6.

Blessed be the lips that such a leasing told.

Fairfax.

Leasing making(Scots Law), the uttering of lies or libels upon the personal character of the sovereign, his court, or his family.Bp. Burnet.