excrescence
C2Substantiv/US /ˈɛkskrɛskɛnkɛ/ EXCRESCENCE; UK /ˈɛkskrɛskɛnkɛ/ EXCRESCENCE/
An excrescent appendage, as, a wart or tumor; anything growing out unnaturally from anything else; a preternatural or morbid development; hence, a troublesome superfluity; an incumbrance; as, an excrescence on the body, or on a plant.
