O″gre (ō″gẽr), n. [F., fr. Sp. ogro, fr. L. Orcus the god of the infernal regions; also, the lower world, hell.] An imaginary monster, or hideous giant of fairy tales, who lived on human beings; hence, any frightful giant; a cruel monster.
His schoolroom must have resembled an ogre's den. Maccaulay.