ENCOPRESIS Meaning of ENCOPRESIS in English [ ˌɛnkəʊ'pri:sɪs ]■ noun Medicine involuntary defecation, especially associated with emotional or psychiatric disorder.Originmod. L., from Gk en- 'in' + kopros 'dung'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004