a person or thing that stems; specif., one that removes stems as from fruit or tobacco
stemmer in American English1
(ˈstemər)
noun
1.
a person who removes stems
2.
a device for removing stems, as from tobacco, grapes, etc.
Word origin
[1890–95; stem1 + -er1]This word is first recorded in the period 1890–95. Other words that entered Englishat around the same time include: blanket roll, blip, cholesterol, masochism, phoneme-er is a suffix used in forming nouns designating persons from the object of their occupationor labor (hatter; tiler; tinner; moonshiner), or from their place of origin or abode (Icelander; southerner; villager), or designating either persons or things from some special characteristic or circumstance(six-footer; three-master; teetotaler; fiver; tenner)
stemmer in American English2
(ˈstemər)
noun
an implement for stemming or tamping
Word origin
[1855–60; stem2 + -er1]This word is first recorded in the period 1855–60. Other words that entered Englishat around the same time include: boilerplate, kickoff, output, pipeline, specialist-er is a suffix used in forming nouns designating persons from the object of their occupationor labor (hatter; tiler; tinner; moonshiner), or from their place of origin or abode (Icelander; southerner; villager), or designating either persons or things from some special characteristic or circumstance(six-footer; three-master; teetotaler; fiver; tenner)