agīna, ae, f. ago, the opening in the upper part of a balance, in which the tongue moves (agitur), Paul. ex Fest. p. 10 Mull.; cf. also Tert. adv. Herm. 41; Pudic. 9.
— Hence, ‡ agīnātōres dicuntur, qui parvo lucro moventur, Paul. ex Fest. p. 10 Mull.