Word.ws English Dictionary

main stem

main stem is the alternative form of mainstem.

Meaning of mainstem

Noun

mainstem (plural mainstems)

  1. The principal watercourse of a river that has multiple streams
    • Piramutaba (Brachyplatystoma vaillantii) make up a second large export fishery and are found almost exclusively in the Amazon River mainstem, whitewater tributaries, and the estuary [30 –32 ].2015 July 9, “Diverse Early Life-History Strategies in Migratory Amazonian Catfish: Implications for Conservation and Management”, in PLOS ONE, →DOI

Forms of main stem

pluralmain stems

Questions about main stem

What is main stem the alternative form of?
Main stem is the alternative form of mainstem.

Words near main stem in the dictionary

  1. main signal
  2. main signals
  3. main stage
  4. main stages
  5. Main Standard Time
  6. main stem
  7. main stream
  8. main streams
  9. main street
  10. main streets
  11. main thing

Source and license

Adapted from Wiktionary: main stem (page history and authors); mainstem (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “main stem.” Word.ws, https://word.ws/main_stem. Based on Wiktionary, CC BY-SA 4.0.