/ ˈwɔːtəlɒgd; NAmE ˈwɔːtərlɔːgd; ˈwɑːt-; -lɑːgd/ adjective
1.
( of soil, a field, etc. ) so full of water that it cannot hold any more and becomes flooded :
They couldn't play because the pitch was waterlogged.
2.
( of a boat, etc. ) so full of water that it can no longer float
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WORD ORIGIN
mid 18th cent.: past participle of the verb waterlog make (a ship) unmanageable by flooding , from water + the verb log .