Icarian (?), a. [L. Icarius, Gr. &unr_;, fr. &unr_;, the mythic son of Dædalus, who, when flying from Crete on wings cemented with wax, mounted so high that the sun melted the wax, and he fell into the sea.] Soaring too high for safety, like Icarus; adventurous in flight.[1913 Webster]