A three-tight end, no wide receiver formation used in short yardage situations In many cases, an extra offensive linemen will in fact be used instead of a tight end
A jumbo or a jumbo jet is a very large jet aircraft that can carry several hundred passengers. a British Airways jumbo. larger than other things of the same type (Jumbo, name of a very large elephant put on show in London and the U.S. in the 19th century, perhaps from mumbo-jumbo)
A puzzle with a bigger grid and many more clues than usual, often published on special occasions such as Christmas or Easter A common size for a jumbo blocked grid is 27x27 and this would typically have 70 to 80 clues Here is an example Jumbo