Noun

(en noun) (wikipedia hashtag)

(Internet) A metadata tag, signaled by a preceding hash sign (#), used to label content.

* 2007 Aug 25, Stowe Boyd, tweet, https://twitter.com/stoweboyd/status/226570552

I support the hash tag' convention: http://tiny url.com/2qttlb '

hashtag #factoryjoe #twitter

* 2009 , Paul McFedries, Pete Cashmore, Twitter Tips, Tricks, and Tweets

You can also search for a hashtag by typing a topic (without the

) in the search box and clicking Search.

* 2009 , Alistair Croll, Sean Power, Complete Web Monitoring

While hashtags aren't formally part of Twitter, some clients, such as Tweetdeck, will persist hashtags across replies to create a sort of message threading.

* 2011 , Rory Stewart, "Here we go again", London Review of Books , 33.VII:

The planes are moving into position. The foreign ministers of minor Arab states are taking calls on their cell-phones from Western politicians. Twitter accounts explode around the Libyan hash-tag .

(informal) The hash sign itself.

Noun

(en noun)

A rectangular array of squares or rectangles of equal size, such as in a crossword puzzle.

A system for delivery of electricity, consisting of various substations, transformers and generators, connected by wire.

* (movie)

You can't turn off the building from here; you have to shut down the whole grid .

* {{quote-magazine, date=2013-07-20, volume=408, issue=8845, magazine=(The Economist)

, title= Out of the gloom , passage=[Rural solar plant] schemes are of little help to industry or other heavy users of electricity. Nor is solar power yet as cheap as the grid'. For all that, the rapid arrival of electric light to Indian villages is long overdue. When the national ' grid suffers its next huge outage, as it did in July 2012 when hundreds of millions were left in the dark, look for specks of light in the villages.}}

(computing) A system or structure of distributed computers working mostly on a peer-to-peer basis, such structures being known as a computational grid or simply grid computing, and used mainly to solve single and complex scientific or technical problems or to process data at high speeds (as in clusters).

(cartography) A method of marking off maps into areas.

(motor racing) The pattern of starting positions of the drivers for a race.

* {{quote-news, year=2012, date=May 13, author=Andrew Benson, work=BBC Sport

, title= Williams's Pastor Maldonado takes landmark Spanish Grand Prix win , passage=McLaren's Lewis Hamilton fought up from the back of the grid to eighth, with team-mate Jenson Button taking ninth.}}

(electronics) The third (or higher) electrode of a vacuum tube (triode or higher).