stemmer

noun

1.
a worker who strips the stems from moistened tobacco leaves and binds the leaves together into books
sprigger stripper
2.
a worker who makes or applies stems for artificial flowers
3.
an algorithm for removing inflectional and derivational endings in order to reduce word forms to a common stem
stemming algorithm
Derived from:
stem
4.
a miner's tamping bar for ramming packing in over a blasting charge
5.
a device for removing stems from fruit (as from grapes or apples)