Read Edit View history 淤 yū mud Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 淤 yū silt up verb · to be blocked or choked with sediment 由于长期没有清理，水渠都淤住了。 Edit Delete 淤 yū silt noun · silt or river sludge 这条小河的河底积满了厚厚的淤泥。 Edit Delete References Add reference variant 淤/淤 → 瘀/瘀 Edit Delete