From Longman Dictionary of Contemporary Englishgiantessgi‧ant‧ess /ˈdʒaɪəntes/ noun [countable] RFan extremely tall strong woman, who is often bad and cruel, in children’s stories
Examples from the Corpus
giantess• Ahead of him the road of cars flexed like a serpent, like the leg of a giantess.• Gozitan legend says that a giantess built the temples single-handed, suckling her baby at the same time.• At its head soared a great fountain on which stood Columbia, a divine giantess, on the Barge of State.• But he had only reached the elbow on which the giantess was supporting herself when a car drew up beside him. 