DICT.TW Dictionary Taiwan

 house·maid's knee /ˈhaʊˌsmedz-/ 名詞
 髕前囊炎

 House·maid n. A female servant employed to do housework, esp. to take care of the rooms.
 Housemaid's knee Med., a swelling over the knee, due to an enlargement of the bursa in the front of the kneepan; -- so called because frequently occurring in servant girls who work upon their knees.
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 housemaid's knee
      n : swelling of the bursa in the knee (due to trauma or
          excessive kneeling)