fractaria
Could not find fractariis in Logeion dictionaries.
fractariis Noun: feminine dative plural, Noun: feminine ablative plural of fractaria
fractārĭa, ae, f. (sc. machina) [frango],
- a machine for crushing flint-stones: caedunt (silices) fractariis CL libras ferri habentibus, Plin. 33, 4, 21, § 71; v. Sillig. ad h. l.
frāctāria, ae, f. (frango), der Sprenghammer des Bergmanns, Plin. 33, 71 (u. dazu Sillig).
frāctārĭa, æ, f. (frango), marteau de mineur : Plin. 33, 71.