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