Definition of excretory
: of, relating to, or functioning in excretion excretory ducts
First Known Use of excretory
EXCRETORY Defined for English Language Learners
Definition of excretory for English Language Learners
: of or relating to excretion
EXCRETORY Defined for Kids
Definition of excretory for Students
: of or relating to excretion : used in excreting The kidneys and bladder are part of the excretory system.
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