acerus
Could not find acero in Logeion dictionaries.
acero Adjective: neuter ablative singular, Adjective: masculine dative singular, Adjective: neuter dative singular, Adjective: masculine ablative singular of acerus
ăcērus, a, um, adj., = ἄκηρος,
- without wax: mel acerum, which flows spontaneously from the comb, Plin. 11, 15, 15, § 38 lec. dub.