Mucus

[Sarah]

A viscid fluid secreted by mucous membranes, which it serves tomoisten and protect. It covers the lining membranes of all thecavities which open externally, such as those of the mouth, nose,lungs, intestinal canal, urinary passages, etc.

[Sarah]

It's a slimy substance that comes out of your nose

[Renato]

A slimy substance, typically not miscible with water, secreted by the mucous membranes and glands of animals for lubrication, protection, etc.

[exinilu]

a thick liquid produced inside the nose and other parts of the body: