meconis
Could not find meconidem in Logeion dictionaries.
meconidem Noun: feminine accusative singular of meconis
mēcōnis, ĭdis, f., = μηκωνίς,
- a kind of lettuce with a milky juice of a soporiferous quality, like the poppy, Plin. 19, 8, 38, § 126; 20, 7, 26, § 67.
mēcōnis, ĭdis, f. , espèce de laitue : Plin. 19, 126.