mucus
/ˈmjuːkəs
/noun [mass noun]
1A slimy substance, typically not miscible with water, secreted by the mucous membranes and glands of animals for lubrication, protection, etc.The conjunctiva contains thousands of cells that produce mucus and tiny glands that produce tears....
- It is spread by contact with the saliva or mucus of an infected person.
- Physiotherapy helps clear the thick, sticky mucus from the lungs.
1.1A gummy substance found in plants; mucilage.The tube feet, arranged in groups of three on the pinnules, are coated with mucus that ensnares the prey....
- This plant secretes mucus from a stalk.
- Mucus produced by the plant provides temporary and effective protection from petroleum damage.
Origin
Mid 17th century: from Latin.