founder(redirected from foundering)
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, also called founder, inflammation of the lamina, the innermost layer of the hoof wall in horses, ponies, and donkeys. Although the condition usually affects only the front feet, it may involve all four feet. Both acute and chronic forms occur.
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To sink under water either by depression of the land or by rise of sea level, especially in reference to large crustal masses, islands, or significant portions of continents.