Real Dictionary

glut
If there is a glut of something, there is so much of it that it cannot all be sold or used.
verb: If a market is glutted with something, there is a glut of that thing.

glut in American English
a glutting or being glutted
to eat like a glutton; overindulge
to feed, fill, supply, etc. to excess; surfeit
intransitive verb: to eat to satiety or to excess
noun: a full supply
transitive verb: to feed or fill to satiety; sate

glut in British English
noun: an excessive amount, as in the production of a crop, often leading to a fall in price
verb: to feed or supply beyond capacity