To lie in wait for and attack from ambush. See Synonyms at ambush.(verb-transitive)
To accost or intercept unexpectedly.(verb-transitive)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "waylay" in a sentence
"Curtis started, to what you have called waylay him in the avenue."
"They switched their car's headlights off and drove along another street to "waylay" the police vehicle."
"Like Solzhenitsyn said, if the people lay in wait under staircases with sticks and kitchen knives to waylay the Cheka when they came at night, rather than hiding in their own apartments, they could have made it too costly for the Soviets to imprison and murder so many millions."