stem·mer | \ ˈste-mər 
\
\ plural stemmers
Definition of stemmer
: one that stems something: such as
a : a person or device that removes the stems from an agricultural product (such as tobacco leaves or grapes)
a mechanical stemmer
b : software that generates stem words (see stem entry 1 sense 4) from their inflected forms
The stemmer follows Porter's algorithm and works for Brazilian Portuguese by identifying the stem of words by incrementally removing their suffix/termination.— Alexandre Ribeiro Afonso and Cláudio Gottschalg Duque
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Time Traveler for stemmer
The first known use of stemmer was in 1817
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