fornācŭla — Lewis & Short
fornācŭla, ae, f.dim.id.,
I a little furnace or oven.
I Lit., Juv. 10, 82; Vitr. 7, 10, 1; Front. Ep. ad M. Caes. 1, 2 ed. Mai. —*
II Trop., a kindler, exciter:
hic totius calumniae fornacula,App. Mag. p. 321, 32.