'Gloat' definitions:

Definition of 'gloat'

noun

Malicious satisfaction [syn: gloat, gloating, glee]

verb

Dwell on with satisfaction [syn: gloat, triumph, crow]

verb

Gaze at or think about something with great self- satisfaction, gratification, or joy

From: GCIDE

Gloat \Gloat\, v. i. [imp. & p. p. Gloated; p. pr. & vb. n. Gloating.] [Akin to Icel. glotta to smile scornfully, G. glotzen to gloat.] To look steadfastly; to gaze earnestly; to gaze with passionate desire, lust, or avarice. [1913 Webster]
2. To gaze with malignant satisfaction; to exult maliciously, sometimes also triumphantly, in another's loss or discomfort; -- usually in a bad sense. [1913 Webster]
In vengeance gloating on another's pain. --Byron. [1913 Webster]