18. One or more computer-readable media as recited in claim 16 , wherein the predefined gesture comprises a downwards user swipe on the touch-sensitive display, and wherein the refining of the search results comprises narrowing the search results displayed on the touch-sensitive display.
16. One or more non-transitory computer-readable media storing computer-executable instructions that, when executed, cause one or more processors to perform acts comprising: detecting an initial selection of a term in a content item being output by a touch-sensitive display; forming a query comprising the selected term and causing display of search results associated with the query on the touch-sensitive display at least partly in response to the detecting of the initial selection; detecting a predefined user gesture on the touch-sensitive display during the display of the search results by the touch-sensitive display; and refining the search results displayed on the touch-sensitive display at least partly in response to the detecting of the predefined gesture, the refined search results overlapping at least in part with the search results.