threesquareとは 意味・読み方・使い方

語源

From three-square, referring to a cross-section of the plant's stem appearing as an equilateral triangle.

発音

• IPA: /ˈθɹiːskwɛə(ɹ)/

名詞

threesquare (uncountable)

1. Several species of bulrush (biologically, sedges) with a triangular stem:
   1. Schoenoplectus americanus (American threesquare, Olney's bulrush, chairmaker's bulrush).
      • 2018 March 14, Bryan MacKay, Paddle Maryland: A Guide to Rivers, Creeks, and Water Trails, JHU Press, →ISBN, page 38:

        In colonial days, threesquare was used to cane chair seats.

   2. Schoenoplectus pungens (common threesquare, sharp club-rush)

形容詞

three-square (not comparable)

1. Having a cross section in the form of an equilateral triangle; said especially of a kind of file.