Gauntlet means a long thick glove,worn for protection. Therefore "coral gauntlet" is a kind of protection glove that is worn not to harm the corals.
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NefI'm wondering if this refers to swimming through water that has a lot of coral (hardened skeletons of tiny marine animals), which can be very sharp.Yes.
Marius HancuNo. It has another meaning: an ordeal or test
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gauntlet
Variant(s): or gant·let \"\
Function: noun
Etymology: by folk etymology (influence of 1gauntlet) from gantelope
1 : two rows of men facing each other and armed