FAECES Meaning of FAECES in English fae ‧ ces BrE AmE ( also feces American English ) /ˈfiːsiːz/ noun [plural] formal solid waste material from the ↑ bowel s—faecal /ˈfiːk ə l/ adjective Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012