aconae
Could not find aconas in Logeion dictionaries.
aconas Noun: feminine accusative plural of aconae
ăcŏnae, ārum, f., = ἀκόναι,
- pointed stones: nudae cautes, Plin. 27, 3, 3, § 10.
ăcŏnae, ārum, pl., f.: pietre, rocce Plin.