名詞 cob:

1. nut of any of several trees of the genus Corylus
   同義詞：hazelnut, filbert, cobnut
2. stocky short-legged harness horse
3. white gull having a black back and wings
   同義詞：black-backed gull, great black-backed gull, Larus marinus
4. adult male swan

1. The farmer was pleased to see his piles of corns on the cob.
   農(nóng)夫很高興地看著成堆的玉米。

cob

n.（名詞）
A corncob:
玉米穗軸：
例句：
corn on the cob.
玉米穗軸上的玉米

A male swan.
雄天鵝
A thickset, stocky, short-legged horse.
短腿馬：一匹體格結(jié)實(shí)的矮胖短腿馬
A small lump or mass, as of coal.
圓堆：一小塊或堆，如煤
A mixture of clay and straw used as a building material.
柴泥灰墁：粘土和稻草的混合物，用作建筑材料

來源：
Probably from obsolete cob [round object, head, testicle]
可能源自 廢語(yǔ) cob [圓形物體，頭部，睪丸]