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