S / sessĭbŭlum
noun

sessĭbŭlum

gen. sessĭbŭli · gender neuter · decl. 2nd
a seat; chair
a seat, chair (ante- and post-class.), Plaut. Poen. 1, 2, 56; App. M. 1, p. 112, 30.—The same called sessĭbĭle, is, n., Jul. Val. Rer. Gest. Alex. M. 1, p. 36 Mai.