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forebrain

noun

forebrain is a noun meaning “The anterior part of the brain, including the cerebrum, thalamus, and hypothalamus” (English Wiktionary, September 2026). It is spelled F-O-R-E-B-R-A-I-N and has 2 syllables, and it appears about once in every 8 million words in written English (wordfreq, 2021 data). The plural of forebrain is forebrains.

What does forebrain mean?

noun

  1. 1

    The anterior part of the brain, including the cerebrum, thalamus, and hypothalamus.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How do you pronounce forebrain?

Forebrain has 2 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-forebrain.wav, Wikimedia Commons (author and licence on each file's page).

Forms of forebrain

  • forebrains plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How common is forebrain?

Forebrain appears about once in every 8 million words in written English, the 82,325th most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

Forebrain in Spanish, French, German and Portuguese

In the sense part of the brain:

LanguageWords
Frenchprosencéphale, cerveau antérieur
GermanVorderhirn
Portugueseprosencéfalo
Spanishprosencéfalo

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.

Where does forebrain come from?

From fore- + brain.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).