The correct spelling for the word "briefing" is spelled with one 'e' and two 'i's.
When referring to a meeting that is typically used to disseminate information, brief instructions, and discuss strategies, the term "briefing" is most commonly used. A briefing is usually a formal presentation or exchange of information.
If you are uncertain about the spelling of "briefing" in a particular context, it is a good idea to double check with the dictionary. You can also find further information about the correct spelling and usage of the word in many different sources. For example, the Merriam-Webster dictionary defines the word “briefing” as “a comprehensive report or update on a particular topic.”
When writing about a briefing, it is important to use the correct spelling, punctuation, and capitalization. If you are unsure how to spell the word, many instant spell checker tools are available online which can help you verify that the spelling is correct.