Thyrotomy (also called thyroidotomy, median laryngotomy, laryngofissure or thyrofissure) is an incision of the larynx through the thyroid cartilage. ...
• (n.) The operation of cutting into the thyroid cartilage.
(thi-rot´ә-me) median laryngotomy. the operation of cutting the thyroid gland.
Thy·rot'o·my noun [ Thyro- + Greek ... to cut.] (Surg.) The operation of cutting into the thyroid cartilage. 
Type: Term Pronunciation: thī-rot′ŏ-mē Definitions: 1. Any cutting operation on the thyroid gland. Synonyms: laryngofissure