Definition of "walk in" [walk in]

• Enter by walking (verb)

WordNet. Princeton University. 2010.

• "Alice took John for a walk in the shade of the oak trees, to push the leaves around and look for buck-eyes."
• "“Kid, after what I went through on Teneb, a couple of pissed-off Gorn are a walk in the park.”"
• "That spring, Torrez was out for dinner with Cardinals center fielder Curt Flood when “Drysdale happened to walk in and Curt introduced me,” Torrez said."