1. n.1 a roundish lump of coal etc.
2 Brit. a domed loaf of bread.
3 Brit. corn-cob (see CORN(1)).
4 (in full cob-nut) a large hazelnut.
5 a sturdy riding- or driving-horse with short legs.
6 a male swan.
Etymology: ME: orig. unkn. 2. n. a material for walls, made from compressed earth, clay, or chalk reinforced with straw.
Etymology: 17th c.: orig. unkn.