Definitions for nubbinˈnʌb ɪn
Random House Webster's College Dictionary
a small lump or stunted piece; stub.
a small or imperfect ear of corn.
Origin of nubbin:
a small nub (especially an undeveloped fruit or ear of corn)
A stub, especially a stub of undeveloped corn or fruit or nipple.
A small protuberance, bud, bump, knob, or the like.
As an avid button collector, I have had to develop an efficient way of removing the nubbin of thread from the button hole.
a small or imperfect ear of maize