Surg. [f. as THYM-US + Gr. -εκτομια, from ἐκτομή a cutting out.] Excision of the thymus gland. Hence Thymectomize v., trans. to remove the thymus gland from.
1905. Gould, Dict. Med. Terms Suppl., Thymectomy.
1909. Dorland, Med. Dict. (ed. 5), Thymectomize, Thymectomy.