The Collaborative International Dictionary of English v.0.48:
Waylay \Way"lay`\ (?; 277), v. t. [imp. & p. p. Waylaid; p.
pr. & vb. n. Waylaying.] [Way + lay.]
To lie in wait for; to meet or encounter in the way;
especially, to watch for the passing of, with a view to
seize, rob, or slay; to beset in ambush.
Falstaff, Bardolph, Peto, and Gadshill shall rob those
men that we have already waylaid. --Shak.
She often contrived to waylay him in his walks. --Sir