People who illegally hunt or fish on someone else's land, or people who cook eggs by simmering them in water.
From Old French 'pocher', meaning to thrust or poke. The cooking sense comes from the poking motion used, while the hunting sense developed from encroaching on someone's territory.
This word has a split personality—it can describe either wildlife criminals or people making breakfast! Medieval kings got so angry about poachers that they'd execute them, which is how seriously they took illegal hunting.
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