treebank
/ˈtɹiː.bæŋk/noun, verb
treebank is a noun meaning “A database (corpus) of sentences which are annotated with syntactic information, often in the form of a tree” (English Wiktionary, September 2026). It is spelled T-R-E-E-B-A-N-K, and it appears about once in every 98 million words in written English (wordfreq, 2021 data). The plural of treebank is treebanks.
What does treebank mean?
noun
- 1
A database (corpus) of sentences which are annotated with syntactic information, often in the form of a tree.
verb
- 1
To parse and annotate sentences according to a treebank.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How do you pronounce treebank?
- /ˈtɹiː.bæŋk/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of treebank
- treebanks plural, present, singular, he/she/it
- tree bank
- treebanking participle, present
- treebanked participle, past
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is treebank?
Treebank appears about once in every 98 million words in written English, the 317,168th 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).
Treebank in Spanish, French, German and Portuguese
In the sense database of trees:
| Language | Words |
|---|---|
| French | corpus arboré |
| German | Baumbank |
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 treebank come from?
From tree + bank, coined by British linguist Geoffrey Leech in analogy with seed bank, blood bank, etc.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).