LSJ
ή, όν, riddling, νόμῳ σχεδικῷ Eust. 241.8; ἡ σ. τόλμα the daring of riddle-composers, Id. 714.51; οἱ τὰ σ. λαλοῦντες Id. 1634.16. Adv. -κῶς, perh. to be restd. for σχεδιακῶς in Id. 1545.7.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)