noun
nubbin
NUB-uhn/ˈnʌbən/
A small undeveloped part of something.
Only a small nubbin of corn grows on this stalk.

Etymology
A nubbin is literally a little nub or lump. First used for a stunted ear of corn, it broadened to mean a small piece, retaining the suggestion of something stubby or underdeveloped.
In context
you can just throw away those old parts and on the male side it's a little easier you can just cut into the little nubbin and then the two pieces will come away
More examples
- The drought leaves the corn plants with nubbins instead of full ears.
- The damaged stem produces a nubbin instead of a full leaf.
- The puppy wags its little nubbin of a tail.
Forms
nubbin · nubbins