ˈtiˌrēz, ˈteˌr- noun
( plural ter·e·tes ˈterəˌtēz)
Etymology: New Latin teret-, teres, from Latin, smooth, rounded — more at terete
: an elongated cylindrical anatomical structure ; usually : either of two muscles arising from the scapula and inserting on the humerus, one arising chiefly from the lower third of the axillary border and inserting on the bicipital groove, the other chiefly from the upper two thirds of the same border and passing behind the long head of the triceps to insert on the great tubercle of the humerus — called also respectively teres major, teres minor