Her‐cu″le‐an (?), a. [L. herculeus, fr. Hercules: cf. F. herculéen. See Hercules.]
1. Requiring the strength of Hercules; hence, very great, difficult, or dangerous; as, an Herculean task.
2. Having extraordinary strength or size; as, Herculean limbs. “Herculean Samson.” Milton.