Nickname for 18-Across, and a hint to how four answers in this puzzle are to be entered

This crossword clue is for the definition: Nickname for 18-Across, and a hint to how four answers in this puzzle are to be entered.
it’s A 87 letters crossword puzzle definition.
Next time, when searching for online help with your puzzle, try using the search term “Nickname for 18-Across, and a hint to how four answers in this puzzle are to be entered crossword” or “Nickname for 18-Across, and a hint to how four answers in this puzzle are to be entered crossword clue”. The possible answerss for Nickname for 18-Across, and a hint to how four answers in this puzzle are to be entered are listed below.

Did you find what you needed?
We hope you did!.

Possible Answers: DOWN UNDER.

Last seen on: NY Times Crossword 15 Oct 20, Thursday