1 to catch (game, fish, etc.) illegally by trespassing on private property
2 to encroach on or usurp (another person's rights, duties, etc.) or steal (an idea, employee, etc.)
3 (Tennis, badminton, etc.) to take or play (shots that should belong to one's partner)
4 to break up (land) into wet muddy patches, as by riding over it, or (of land) to become broken up in this way
5 intr (of the feet, shoes, etc.) to sink into heavy wet ground
(C17: from Old French pocher, of Germanic origin; compare Middle Dutch poken to prod; see poke1)
English Collins Dictionary - English Definition & Thesaurus
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