See Also: tertius(dictionary)
digitus tertius(medicine)
tertius gaudens(dictionary)
ventriculus tertius(medicine)
trochanter tertius(medicine)
sphincter ani tertius(medicine)
peroneus tertius(medicine)
molaris tertius(medicine)
nervus occipitalis tertius(medicine)
musculus peroneus tertius(medicine)

tertius (iou)



tertius adjective. E19.
[Latin = third.]
Designating the youngest (in age or standing) of three people, esp. pupils, with the same surname. (Appended to a surname and used esp. in public schools.) Cf. PRIMUS adjective 2, SECUNDUS.