informal: showing or suggesting an explicit awareness of itself or oneself as a member of its category : cleverly self-referential
"The Bar?" she said. "I know the place. Been meaning to drop by. Love the name. Very meta." Gillian Flynn
The meta gift of the year: a picture of a lamp that actually lights up. Designer Finn Magee's trompe l'oeil is printed on plastic, embedded with electronics, and equipped with a cord and switch. Karissa Bell et al.
A new comedy about fantasy football, which follows a group of armchair quarterbacks as they try to tackle life. How meta would it be if people started betting on what was going to happen on the show?TV Guide
Leave it to Larry to contort public desire for a Seinfeld reunion into a meta plot that chronicles his not-necessarily-noble struggle to pull off a Seinfeld reunion. Dan Snierson
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informal: concerning or providing information about members of its own category
… Slate, a Web zine published by Microsoft that devotes much of its content to what [editor Michael] Kinsley calls "meta news"—news about the news. Rick Marin et al.
Given that the coverage of any one search engine is limited, the simplest means of improving the coverage of Web search engines is to combine the results of multiple engines, as is done with meta search engines such as MetaCrawler (www.metacrawler.com). Steve Lawrence
New Latin & Medieval Latin, from Latin or Greek; Latin, from Greek, among, with, after, from meta among, with, after; akin to Old English mid, mith with, Old High German mit