腹ふく腔くう穿せん刺しalso: ふっこうせんしMeanings1nounabdominocentesis; abdominal paracentesis; peritoneal tapmedicineMedical procedure to drain fluid from the abdominal cavity. Used in clinical contexts.腹ふく水すいの検けん査さのために腹ふく腔くう穿せん刺しを行おこなった。We performed an abdominocentesis to examine the ascitic fluid.