σφαλλός
From LSJ
English (LSJ)
or σφᾰλός, ὁ,
A a round leaden plate, which was thrown by a strap attached to a ring, a variety of the δίσκος, Poll.8.72, Hsch. II a round block of wood with two holes for the feet, pair of stocks, Epich.148 (σφάκελλος codd. Ath.), Poll. l.c., Hsch.; cf. σφέλας.