excĭpŭla — Lewis & Short
excĭpŭla, ōrum (sc. vasa), n.excipio,
I vessels for receiving liquids, receivers, receptacles, Plin. 25, 7, 38, § 78:
in excipulis ejus fluminis,i. e. cavities, basins, id. 9, 22, 38, § 75.