资料来源 : pyDict

玉米的穗轴

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Corncob \Corn"cob`\ (k?rn"k?b`), n.
   The cob or axis on which the kernels of Indian corn grow.
   [U.S.]

资料来源 : WordNet®

corncob
     n : the hard cylindrical core that bears the kernels of an ear
         of corn