runt

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. An undersized animal, especially the smallest animal of a litter.
2. n. Offensive A short person.

Century Dictionary and Cyclopedia

1. n. A young ox or cow; a steer or heifer; also, a stunted ox or cow, or other under-sized animal; one below the usual size and strength of its kind; especially, the smallest or weakest one of a litter of pigs or puppies. Compare def. 4.
2. n. Hence A short, stockish person; a dwarf.
3. n. A rude, ill-bred person; a boor or hoiden.
4. n. A breed of domestic pigeons. A single bird may weigh as much as 2 1/2 pounds.
5. n. A stump of underwood; also, the dead stump of a tree.
6. n. The stalk or stem of a plant.
7. n. The rump.

Wiktionary

1. n. The smallest animal of a litter.
2. n. Undersized or stunted plant, animal or person.
3. n. computing An Ethernet packet that does not meet the medium's minimum packet size of 64 bytes.
4. n. typography A single word (or portion of a hyphenated word) that appears as the last line of a paragraph.
5. n. A breed of pigeon related to the carrier pigeon.
6. n. obsolete, UK, dialect A hardened stem or stalk of a plant.

GNU Webster's 1913

1. n. (Zoöl.) Any animal which is unusually small, as compared with others of its kind; -- applied particularly to domestic animals.
2. n. (Zoöl.) A variety of domestic pigeon, related to the barb and carrier.
3. n. A dwarf; also, a mean, despicable, boorish person; -- used opprobriously.
4. n. Obs. or Prov. Eng. The dead stump of a tree; also, the stem of a plant.

WordNet 3.0

1. n. disparaging terms for small people