|1.||to discharge (waste matter, such as urine, sweat, carbon dioxide, or faeces) from the body through the kidneys, skin, lungs, bowels, etc|
|2.||(of plants) to eliminate (waste matter, such as carbon dioxide and salts) through the leaves, roots, etc|
|[C17: from Latin excernere to separate, discharge, from cernere to sift]|
excretory ex·cre·to·ry (ěk'skrĭ-tôr'ē)
Of, relating to, or used in excretion.