scūtāle, is, n. [scutum],
the thong of a sling for throwing stones, etc. (corresp. with habena), Liv. 38, 29, 6 (also cited ap. Prisc. p. 726 P.); 42, 65, 10.
scūtāle is, n scutum, a thong, leathern strap, lash : triplex, L.: funda media duo scutalia inpari...
An Elementary Latin Dictionary