cob

1. A corncob. (countable, uncountable)
2. The seed-bearing head of a plant. (countable, uncountable)
3. A male swan. (countable, uncountable)
4. A gull, especially the black-backed gull (Larus marinus); also spelled cobb. (countable, uncountable)
5. A lump or piece of anything, usually of a somewhat large size, as of coal, stone, or excrement. (countable, uncountable)
6. A round, often crusty roll or loaf of bread. (countable, uncountable)
7. A building material consisting of clay, sand, straw, water, and earth, similar to adobe; also called cobb, rammed earth or pisé. (uncountable)
8. A horse having a stout body and short legs. (countable, uncountable)

Plural cobs