What does the idiom "Throw down the gauntlet" most accurately mean?

• The idiom "Throw down the gauntlet" means - To issue a formal challenge or provoke a confrontation.

• Throw down the gauntlet (idiom)
English Meaning: To issue a challenge, usually in the form of a dare or invitation to a confrontation, often implying that the challenge has been presented publicly.
Bangla Meaning: চ্যালেঞ্জ ছুড়ে দেওয়া; মোকাবেলা বা প্রতিদ্বন্দ্বিতা করার জন্য প্ররোচনা দেওয়া।

Example Sentence:
- The boxer threw down the gauntlet by challenging his rival to a match in front of the media.

Source:
1. Cambridge Dictionary.
2. Accessible Dictionary by Bangla Academy.