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Portuguese man–of–war

Portuguese man–of–war noun
plural Portuguese man–of–wars or Portuguese men–of–war
Portuguese man–of–war
noun
plural Portuguese man–of–wars or Portuguese men–of–war
Britannica Dictionary definition of PORTUGUESE MAN–OF–WAR
[count]
: a large sea animal that has a very soft body, many long, soft parts (called tentacles) that hang down from its body, and a poisonous sting