- an animal that is small or stunted as compared with others of its kind.
- the smallest or weakest of a litter, especially of piglets or puppies.
- a person who is petty and contemptible: That runt causes most of the trouble at the meetings.
- British Dialect.
- an old or decayed tree stump.
- an old cow or ox.
- an ugly old woman; hag.
- the smallest and weakest young animal in a litter, esp the smallest piglet in a litter
- an undersized or inferior person
- a large pigeon, originally bred for eating