Some libraries have eliminated their card catalog in favour of the OPAC for the purpose of saving space for other use, such as additional shelving. The largest library catalog in the world is the WorldCat.org union catalog managed by the non-profit library cooperative OCLC, based in Dublin, Ohio. As of January 2016, WorldCat.org has over 360,000,000 catalog records and over 2 billion library holdings. Card catalog at Yale.
Weed definition, a valueless plant growing wild, especially one that grows on cultivated ground to the exclusion or injury of the desired crop. See more. Dictionary.com
Todayâs common word comes from the Middle English term wede, meaning clothes or clothing. weed n. 1. an article of clothing that indicates oneâs profession or standing in society. 2. an article of clothing worn as a sign of mourning, especially a band of black crepe worn as a manâs hatband or as a widowâs black veil.