Lam \Lam\, v. t. [imp. & p. p. Lammed; p. pr. & vb. n. Lamming.]

[Icel. lemja to beat, or lama to bruise, both fr. lami, lama, lame. See Lame.]

To beat soundly; to thrash. [Obs. or Low] --Beau. & Fl.

Source: Webster's Revised Unabridged Dictionary (1913)