a. [ L. herculeus, fr. Hercules: cf. F. herculéen. See Hercules. ] [ 1913 Webster ]
1. Requiring the strength of Hercules; hence, very great, difficult, or dangerous; as, an Herculean task. [ 1913 Webster ]
2. Having extraordinary strength or size; as, Herculean limbs. “Herculean Samson.” Milton. [ 1913 Webster ]