vannus, i (abl. heterocl. vannu, Non. 19, 21), f.,
a fan , van for winnowing grain, Col. 2, 20, 4; Ap. Met. 11, 10, 26; 11, 16, 28; mystica Iacchi, borne about in the Bacchic festival , Verg. G. 1, 166.
vannus ī, f a fan, van, winnow: mystica Iacchi, borne in the festival of Bacchus, V. ...
An Elementary Latin Dictionary