Sentence:  He drew a deep breath in and the smell from the morning ablutions of his neighboring slum dwellers hit his nostrils and immediately fouled his mood. The shores of the Bagmati river provided an ideal <WSD>latrinal</WSD> retreat for the men and women in the "Basti" and despite numerous protestations by him, the lure of the sandy beaches and plenty of water proved too strong a temptation for his neighbors. 
Meaning of the word marked with <WSD> tags:  Of or related to a latrine; being or relating to a place for urination or defecation.