Meanings
nounthreesquare (uncountable)
alternative three-square
- Several species of bulrush (biologically, sedges) with a triangular stem:
- uncountableSchoenoplectus americanus (American threesquare, Olney's bulrush, chairmaker's bulrush).
In colonial days, threesquare was used to cane chair seats.
2018 March 14, Bryan MacKay, Paddle Maryland: A Guide to Rivers, Creeks, and Water Trails, JHU Press, →ISBN, page 38 - uncountableSchoenoplectus pungens (common threesquare, sharp club-rush)
Origin
From three-square, referring to a cross-section of the plant's stem appearing as an equilateral triangle.
Full word history & related roots →Translations
Czech skřípinec pichlavý
- skřípinec pichlavýSchoenoplectus pungens
Dutch stekende bies
- stekende biesSchoenoplectus pungens
French scirpe piquant
- scirpe piquantSchoenoplectus pungens
German Amerikanische Teichbinse, Amerikanische Teichsimse
- Amerikanische TeichbinseSchoenoplectus pungens
- Amerikanische TeichsimseSchoenoplectus pungens
Polish oczeret amerykański
- oczeret amerykańskiSchoenoplectus americanus
Ukrainian куга колюча
- куга колюча (kuha koljuča)Schoenoplectus pungens
Welsh llafrwynen finiog
- llafrwynen finiogSchoenoplectus pungens
Cite this entry
APA
threesquare. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/threesquare
MLA
“threesquare.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/threesquare. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “threesquare,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/threesquare.
Source: threesquare on Wiktionary, CC BY-SA 4.0.