tensĭo, ōnis, f. [tendo], a stretching, stretching out, extension (post-Aug. and very rare).
I In gen.: papilionum, a setting up , pitching , Hyg. Gromat. init.— Plur. : bracchia, quae in eas tensiones includuntur, Vitr. 1, 1 med. —
II In partic., a tension or contraction of the nerves , as a disease: nervorum, Scrib. Comp. 101; 255: praecordiorum, id. ib. 260; Veg. Vet. 1, 53 fin.