This will search for a column across all databases.
You must specifiy the exact column spelling.
After that, you can get creative. If you have a number of databases, perhaps versioned by release, you can specifiy a @Branch suffix - so by passing in 0010 you would match
You can specify an exact databasse via @DB, and can specify if you want to see all matches, all tables, or all views.
EXECUTE dbo.LocateColumnDefinitions @Column = 'AccountID', @Branch = '0099'