Siege Perilous
noun
: a seat at King Arthur's Round Table reserved for the knight destined to achieve the quest of the Holy Grail and fatal to any other occupying it
Cite this Entry
“Siege Perilous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Siege%20Perilous. Accessed 4 Nov. 2025.
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