Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
The word fornaci could not be parsed. Trying a normal dictionary lookup:
No entries found. Showing closest matches:
fornācālis, e, adj. [fornax], of or belonging to ovens.
fornācārĭus (furn-), a, um, adj. [fornax], of or belonging to a furnace: servus, i. e. a furnace-heater, Dig. 9, 2, 27, § 9.
fornācātor (FVRNACATOR in an inscr. found at Pompeii, v. Rosin. Dissert. Isag. p. 66, tab. 10, no. 2), ōris, m. [fornax], the heater of a bath-furnace, a bath-heater, Dig. 33, 7, 14.
fornācŭla, ae, f. dim. [fornax], a little furnace or oven.