1 an excessively greedy eater.
2 (often foll. by for) colloq. a person insatiably eager (a glutton for work).
3 a voracious animal Gulo gulo, of the weasel family. Also called WOLVERINE.
Phrases and idioms:
a glutton for punishment a person eager to take on hard or unpleasant tasks.
Derivatives:
gluttonize v.intr. (also -ise). gluttonous adj. gluttonously adv.
Etymology: ME f. OF gluton, gloton f. L glutto -onis f. gluttire swallow, gluttus greedy
Useful english dictionary. 2012.