ex·cre·ta \ekˈskrēd.ə, ik-, -ētə\noun plural Etymology: New Latin, from Latin, neuter plural of excretus, past participle of excernere : waste matter eliminated or separated from an organism; usually: excretions • ex·cre·tal\(ˈ)ek|skrēd.əl, ikˈs-, -ētəl\adjective