Read by: 42,845 pet lovers. Mandibulectomy is a surgical procedure in which a portion of the lower jaw is removed. This can involve both sides of the jaw or just one side. Up to three-quarters of the entire lower jaw can be removed.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  attune(Verb) to bring into musical accord. 2  attune(Verb) to tune an instrument. 3  attune(Verb) to bring into harmony or accord.
noun. 1  acronym for original poster - i.e. the person to submit (post) something to a website that permits discussion about submitted things.  2 operator..  3 operation. 4  acronym for old person.  5 original post. 6  shorten saying of opium.